2019 GMC Flowmaster Parts

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Flowmaster
  • Single Out Side Exit; Includes 3 in. Tubing/Straight Through Mufflers/4.5 in. Round Black Ceramic Coated Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant
  • FlowFX Cat-Back Exhaust System; Single Out Side Exit; Includes 3 in. Tubing/Straight Through Mufflers/4.5 in. Round Black Ceramic Coated Tips; 409 Stainless Steel;
  • FlowFX Cat-Back Exhaust System
  • Product Attributes:
    • Exhaust Type: Cat-back
    • Exit Position: Single Side
    • Tip Diameter: 4.500 In.
    • WARNING CA Proposition 65: No
  • Features:
    • Deep Powerful Tone Inside And Outside The Vehicle
    • Full Stainless Steel Construction
    • Easy Installation
  • Introducing the new FlowFX Cat-back exhaust system for 2014-2019*(*Classic body 5.3L, 4wd w/143.5-inch wb) GM Silverado/Sierra 4.3L and 5.3L engines. This performance exhaust system fits both 2/4 Wheel drive models with 143.5 and 153-inch wheelbases and is manufactured from 409S stainless steel for years of trouble-free service. Features include 3.00-inch inlet pipe leading into a FlowFX straight-through muffler for great sound and maximum performance. The single 3.00-inch mandrel-bent tailpipe exits out behind the rear passenger side tire and is finished off with large 4.50-inch diameter black ceramic coated 304S stainless steel tip, giving your Silverado/Sierra that custom look that goes hand in hand with the deep performance sound of the FlowFX muffler. The system uses all the factory hanger locations and connections for an easy installation that you can do at home. Includes installation instructions and all necessary hardware.

Additional Fitment Information:
Vehicle Block CC Engine Bed Length CID
2019 - GMC Sierra 1500 Limited V 5328 8 Cyl 5.3L 78.8 325

Flowmaster
  • 3.0 in. Tubing; Dump Style Exit; 409 Stainless Steel; Includes Hardware;50 State Legal / California Emissions Compliant
  • FlowFX Extreme Cat-Back Exhaust System; 3.0 in. Tubing; Dump Style Exit; 409 Stainless Steel; Includes Hardware;
  • FlowFX Extreme Cat-Back Exhaust System
  • Product Attributes:
    • Exhaust Type: Cat-back
    • Exit Position: Rear
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
  • Features:
    • Flowfx Series Performance Muffler Offers An Aggressive To Moderate Sound Level And Increased Performance
    • 409 Stainless Steel Construction Delivers Extra Durability And Improved Long-Term Corrosion Resistance
    • Max Dyno Gains Of 15 Hp And 20 Lb-Ft At The Rear Wheels With The 717977 Kit
    • Includes All Necessary Hardware For An At Home Installation
    • Dump Style Exit Allows For Better Ground Clearance When In Extreme Off-Road Conditions
    • Uses Factory Hanger Locations For Easy Installation
    • Lifetime Limited Warranty
  • Flowmaster introduces our FlowFX Extreme stainless steel cat-back exhaust system for the 2014-2019 Chevrolet/GMC Silverado/Sierra 1500 with the 4.3 or 5.3-liter engine. This system uses a FlowFX series muffler for an aggressive to moderate sound level and increased performance. 3.0-inch mandrel bent 409 stainless steel tubing allows for maximum exhaust flow and durability. The system has a turndown style, dump exit right after the muffler to eliminate the over-axle tailpipe. This elimination of the tailpipe helps improve ground clearance and departure angle when you are driving in more extreme off-road situations. This system produced max dyno gains of 11 hp and 15 lb.-ft at the rear wheels. All of the necessary hardware is included, and factory-mounting locations are used for an easy installation. Backed by Flowmasters Lifetime Limited Warranty.

Additional Fitment Information:
Vehicle Block CC Engine Bed Length CID
2019 - GMC Sierra 1500 Limited V 5328 8 Cyl 5.3L 78.8 325

Flowmaster
  • Dual; Dual Rear Same Side Exit; 3.0 in. Tubing; Includes Outlaw Mufflers/4 in. Pol. Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant
  • Outlaw Series™ Cat Back Exhaust System; Dual; Dual Rear Same Side Exit; 3.0 in. Tubing; Includes Outlaw Mufflers/4 in. Pol. Tips; 409 Stainless Steel;
  • Outlaw Series™ Cat Back Exhaust System
  • Product Attributes:
    • Tip Quantity: 2
    • Muffler Type: Welded Baffle
    • Tip Logo: Embossed
    • Sound Level: Aggressive
    • WARNING CA Proposition 65: Yes
    • Tip Finish: Black And Ceramic
    • Tip Length: 13.000 In.
    • Tip Type: Double Wall
    • Exit Position: Dual Rear Same Side
    • Muffler Count: 1
    • Single or Dual: Dual
    • System Type: Cat Back
    • Tip Material: Stainless Steel
    • Mount Type: Flanged
    • Exhaust Type: Dual
    • California Proposition 65 Chemical Name 2: Chromium (hexavalent Compounds)
    • Catalytic Converter Included: No
    • California Proposition 65 Chemical Name 1: Nickel (metallic)
    • Heat Shield Attached: No
    • Exhaust Series: Outlaw
    • WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Exit Style: Straight
    • Muffler Series: Super 10 Series
    • Tip Cut: Angle
    • Shape: Oval
    • Tip Shape: Round
    • Tip Edge Style: Cut
    • Muffler Part Number: Kit Only
  • Features:
    • Stainless Steel Construction
    • Aggressive Exterior Exhaust Tone
    • Black Ceramic Coated Tips
    • Lifetime Limited Warranty
    • Made in the USA
  • This Flowmaster Outlaw cat-back exhaust system is custom designed for 2014-2019* (*Classic body) GM Silverado/Sierra 1500 trucks with the 4.3L or 5.3L engine and is perfect for the person looking for an aggressive interior and exterior sound levels with all of the performance benefits that you expect from Flowmaster. This bolt-on emissions-legal system is for the Crew Cab and Double Cab models and comes with your choice of tailpipe exits, either dual out the rear under the bumper, or dual out the sides behind the rear tires. System features include stainless steel mandrel bent tubing flowing into a Super 10 series muffler and exiting with dual 3.00-inch stainless steel mandrel bent tailpipes. The system uses the factory hanger locations and is finished off with a pair of large 4.00-inch black ceramic coated stainless steel tips. The exhaust system is covered by our Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation.
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.

Additional Fitment Information:
Vehicle Block CC Engine Bed Length CID
2019 - GMC Sierra 1500 Limited V 5328 8 Cyl 5.3L 78.8 325

Flowmaster
  • Single Inlet; Dual Out Side Exit; Includes 3 in. Tubing/Straight Through Mufflers/4.5 in. Round Black Ceramic Coated Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant Does Not Fit Crew Cab 2WD w/2 Pc Driveshaft
  • FlowFX Cat-Back Exhaust System; Single Inlet; Dual Out Side Exit; Includes 3 in. Tubing/Straight Through Mufflers/4.5 in. Round Black Ceramic Coated Tips; 409 Stainless Steel;
  • FlowFX Cat-Back Exhaust System
  • Product Attributes:
    • Tip Quantity: 2
    • Tubing Material: 409s Stainless Steel
    • Muffler Overall Length: 24.000 In.
    • Muffler Type: Absorption
    • Tip Logo: Embossed
    • Sound Level: Moderate/aggressive
    • WARNING CA Proposition 65: Yes
    • Tip Finish: Black Ceramic Coated
    • Muffler Color: Natural
    • Tip Length: 11.000 In.
    • Tip Type: Single Wall
    • Muffler Body Length: 18.000 In.
    • Muffler Inlet Location: Center
    • Exit Position: Dual Out Side
    • Tip Diameter: 4.500 In.
    • Muffler Count: 1
    • Muffler Finish: Brushed
    • Single or Dual: Dual
    • System Type: Cat Back
    • Tip Material: 304 Stainless Steel
    • Muffler Outlet Location: Dual Outlet
    • Muffler Outlet Diameter: 2.500 In.
    • Tubing Diameter: 2.500 In.
    • Mount Type: Uses Factory Hangers
    • Exhaust Type: Cat-back
    • California Proposition 65 Chemical Name 2: Chromium (hexavalent Compounds)
    • California Proposition 65 Chemical Name 1: Nickel (metallic)
    • Catalytic Converter Included: No
    • Exhaust Series: Flow Fx
    • Heat Shield Attached: No
    • WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Muffler Series: Flow Fx
    • Tip Cut: Angle
    • Muffler Body Shape: Oval
    • Muffler Body Material: 409s Stainless Steel
    • Tip Shape: Round
    • Tip Edge Style: Cut
    • Muffler Part Number: Kit Only
  • Features:
    • Deep Powerful Tone Inside And Outside The Vehicle
    • Full Stainless Steel Construction
    • Easy At Home Installation
  • Our new Flowmaster FlowFX cat-back exhaust system is manufactured using durable 409 stainless steel throughout and features a 3.00-inch inlet pipe leading to a single inlet/dual outlet FlowFX straight-through muffler for great sound and maximum performance. The dual 2.50-inch mandrel-bent tailpipes exit out the side at an angle behind the rear wheels directing exhaust away from your boat or travel trailer when towing. The system is finished off with a pair of large 4.50-inch diameter black ceramic coated 304S stainless steel tips, giving your truck a custom look that goes hand in hand with that deep performance FlowFX sound. The system uses all the existing factory hanger locations and includes an additional hanger to install the new left side tailpipe. Includes installation instructions and all necessary hardware for an easy installation that you can do at home. Notes: Fits 2/4wd models with 143.5 and 153-inch wheelbases and *2019 Classic body models.

Additional Fitment Information:
Vehicle Block CC Engine Bed Length CID
2019 - GMC Sierra 1500 Limited V 5328 8 Cyl 5.3L 78.8 325

Flowmaster
  • Dual; Dual Rear Same Side Exit; 2.5 in. Tubing; Includes 2.5 in. Tailpipes/Super 44(TM) Delta Flow Mufflers/3.5 in. Polished Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant
  • Force II Cat Back System; Dual; Dual Rear Same Side Exit; 2.5 in. Tubing; Includes 2.5 in. Tailpipes/Super 44™ Delta Flow Mufflers/3.5 in. Polished Tips; 409 Stainless Steel;
  • Force II Cat Back System
  • Product Attributes:
    • Tip Quantity: 2
    • Tubing Diameter: 2.500 In.
    • Exhaust Type: Dual
    • California Proposition 65 Chemical Name 2: Chromium (hexavalent Compounds)
    • California Proposition 65 Chemical Name 1: Nickel (metallic)
    • Sound Level: Moderate
    • WARNING CA Proposition 65: Yes
    • Exhaust Series: Force Ii
    • Heat Shield Attached: No
    • WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Exit Style: Straight
    • Tip Length: 13.000 In.
    • Muffler Series: Super 50 Series
    • Inlet Inside Diameter: 2.500 In.
    • Outlet Outside Diameter: 2.500 In.
    • Tail Pipe Diameter: 2.500 In.
    • Exit Position: Dual Rear Same Side
    • Muffler Count: 1
    • Single or Dual: Dual
    • System Type: Cat Back
    • Muffler Part Number: Kit Only
    • Outlet Diameter: 2.500 In.
  • Features:
    • Mandrel Bent 16ga 409 Stainless Tubing
    • Limited Lifetime Warranty
    • Moderate Exterior Exhaust Tone
    • Includes Hangers and Hardware For Easy Installation
    • Dual Out Rear Or Side Exit
    • Multiple Exit Styles Provided In Kit
    • Patented Delta Flow Technology
    • Premium Flowmaster Quality
    • Stainless Steel Construction
  • This is the Force II cat-back exhaust system for the 2014-2019* (*Classic body) Chevrolet Silverado/GMC Sierra 1500 trucks with 4.3L or 5.3L engines. This exhaust system is perfect for the person looking for a moderate sound level outside the vehicle, but with a minimal sound increase inside the cab. Features include all stainless steel construction, a Super 50 Series muffler, and dual 2.50-inch stainless steel mandrel-bent tailpipes. The system can be configured to exit either straight out the back under the rear bumper, or out the sides behind the rear tires for towing. It is then finished off with a pair of large 3.50-inch polished stainless steel tips and is covered by our Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for an easy installation you can do at home.
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.

Additional Fitment Information:
Vehicle Block CC Engine Bed Length CID
2019 - GMC Sierra 1500 Limited V 5328 8 Cyl 5.3L 78.8 325

Flowmaster
  • Dual; Dual Side Rear Exit; 2.5 in. Tubing; Includes Super 40 Series Muffler/3.5 in. Logo Embossed Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant
  • American Thunder Cat Back Exhaust System; Dual; Dual Side Rear Exit; 2.5 in. Tubing; Includes Super 40 Series Muffler/3.5 in. Logo Embossed Tips; 409 Stainless Steel;
  • American Thunder Cat Back Exhaust System
  • Product Attributes:
    • Tip Quantity: 2
    • Tubing Diameter: 2.500 In.
    • Exhaust Type: Dual
    • California Proposition 65 Chemical Name 2: Chromium (hexavalent Compounds)
    • California Proposition 65 Chemical Name 1: Nickel (metallic)
    • Sound Level: Moderate/aggressive
    • WARNING CA Proposition 65: Yes
    • Exhaust Series: American Thunder
    • Heat Shield Attached: No
    • WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Exit Style: Straight
    • Tip Length: 13.000 In.
    • Muffler Series: Super 40 Series
    • Outlet Outside Diameter: 2.500 In.
    • Tail Pipe Diameter: 2.500 In.
    • Exit Position: Dual Rear Same Side
    • Muffler Count: 1
    • Single or Dual: Dual
    • System Type: Cat Back
    • Muffler Part Number: Kit Only
    • Outlet Diameter: 2.500 In.
  • Features:
    • Mandrel Bent Stainless Steel Tubing
    • Great Performance Tone
    • Patented Delta Flow Technology
    • Lifetime Limited Warranty
  • This Flowmaster American Thunder cat-back exhaust system is custom designed for 2014-2019* (*Classic body) GM Silverado/Sierra 1500 trucks and is perfect for the person looking for a moderate sound level inside the cab area, with an aggressive exterior sound with all of the performance benefits that you expect from Flowmaster. This bolt-on emissions-legal system is for the Crew Cab and Double Cab models with 4.3L or 5.3L engines and comes with your choice of tailpipe exits, either dual out the rear under the bumper, or dual out the sides behind the rear tires. System features include stainless steel mandrel bent tubing flowing into a Super 40 series muffler and exiting with dual 2.50-inch stainless steel mandrel bent tailpipes. The system uses the factory hanger locations and is finished off with a pair of large 3.50-inch polished stainless steel tips and is covered by our Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation.
  • Suggested Purchase Quantity: 2
    • Most jobs typically require 2 of this item.

Additional Fitment Information:
Vehicle Block CC Engine Bed Length CID
2019 - GMC Sierra 1500 Limited V 5328 8 Cyl 5.3L 78.8 325

Flowmaster
  • Dual Rear Exit; Includes 3 in. Tubing/Super 40 Series(TM) Muffler/4 in. Logo Black Coated Tips;50 State Legal / California Emissions Compliant Fits Factory Dual Exhaust Only
  • American Thunder Cat Back Exhaust System; Dual Rear Exit; Includes 3 in. Tubing/Super 40 Series™ Muffler/4 in. Logo Black Coated Tips;
  • American Thunder Cat Back Exhaust System
  • Product Attributes:
    • Exhaust Type: Cat-back
    • Exit Position: Dual Out Rear
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
  • Features:
    • Moderate/Aggressive Exterior Tone
    • Uses Factory Hanger Locations
    • Stainless Steel Construction
  • This Flowmaster American Thunder cat-back exhaust system for the 2019-2022 GM 1500 (new body style) trucks with 5.3L engine is perfect for the person looking for an aggressive sound level outside the truck, with a moderate interior tone and the performance benefits you would expect from Flowmaster. This emissions-legal bolt-on system fits all Crew Cab and Double Cab models with 5.5 and 6.5-ft long beds with factory dual exhaust option. Features include flex joint, mandrel-bent 3.00-inch stainless steel tubing flowing into a Super 40 Series muffler, dual 2.50-inch mandrel-bent stainless tailpipes that are finished off with quad 4.00-inch black ceramic coated stainless steel tips exiting out under the factory exhaust bezels. Designed for an easy fit, this system includes all necessary parts and hardware for an easy at home installation. Maximum dyno gains of 15 hp and 19 lb. Ft. at the rear wheels. Notes: Fits 2019-2020 Chevrolet Silverado 1500 and GMC Sierra 1500 Crew Cab and Double Cab models with 5.3L engine. Fits models with 5.5 and 6.5-ft long beds with factory dual exhaust option.

Additional Fitment Information:
Vehicle Block CC Engine Bed Length Sub Model Body CID
2019 - GMC Sierra 1500 V 5328 8 Cyl 5.3L 79.4 Base Extended Cab Pickup 325

Flowmaster
  • Single; Dual Rear Or Side Exit; Includes 3.0 in. Tubing/10 Series Mufflers/4.0 in. Black Ceramic 304 Stainless Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant Does Not Fit Vehicles w/Factory Dual Exit Tailpipes
  • Outlaw Series™ Cat Back Exhaust System; Single; Dual Rear Or Side Exit; Includes 3.0 in. Tubing/10 Series Mufflers/4.0 in. Black Ceramic 304 Stainless Tips; 409 Stainless Steel;
  • Outlaw Series™ Cat Back Exhaust System
  • Product Attributes:
    • Tip Quantity: 2
    • Tubing Material: 409s Stainless Steel
    • Muffler Overall Length: 12.000 In.
    • Muffler Type: Reflection
    • Tip Logo: Embossed
    • Sound Level: Aggressive
    • WARNING CA Proposition 65: Yes
    • Tip Finish: Black Ceramic Coated
    • Muffler Color: Black
    • Tip Length: 13.000 In.
    • Tip Type: Double Wall
    • Muffler Body Length: 6.250 In.
    • Muffler Inlet Location: Center
    • Exit Position: Dual Out Rear/ Dual Out Side
    • Muffler Count: 1
    • Muffler Finish: Painted
    • Single or Dual: Dual
    • System Type: Cat Back
    • Tip Material: 304 Stainless Steel
    • Muffler Outlet Location: Dual Outlet
    • Mount Type: Uses Factory Hangers
    • Exhaust Type: Cat-back
    • California Proposition 65 Chemical Name 2: Chromium (hexavalent Compounds)
    • California Proposition 65 Chemical Name 1: Nickel (metallic)
    • Catalytic Converter Included: No
    • Exhaust Series: Outlaw
    • Heat Shield Attached: No
    • WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Muffler Series: 10 Series
    • Tip Cut: Angle
    • Muffler Body Shape: Oval
    • Muffler Body Material: 409s Stainless Steel
    • Tip Shape: Round
    • Tip Edge Style: Cut
    • Muffler Part Number: Kit Only
  • Features:
    • Deep Powerful Tone Inside And Outside The Vehicle
    • Large 4 in. Angle Cut Exit
    • Full Stainless Steel Construction
    • Easy At Home Installation
  • This Flowmaster Outlaw Cat-back exhaust system is perfect for the person looking for maximum sound levels both inside and outside the vehicle and are not afraid of getting peoples attention. This emissions-legal system is for the 2019 (new body style) to 2022 GM Silverado/Sierra 1500 trucks with 5.3L engine and features a stainless steel Super 10 Series muffler, all mandrel-bent 3.00-inch stainless steel tubing and uses the factory hanger locations for an easy installation. The large dual 3.00-inch stainless tailpipes ensure maximum power and a deep powerful sound. This bolt-on system comes with your choice of tailpipe exits, either dual out the rear, or dual out the sides behind the rear wheels which prevents blowing exhaust on your boat or trailer when towing. The system is finished off with a pair of large 4.00-inch double wall black ceramic coated stainless tips for a custom look. Designed for a perfect-fit, the system includes installation instructions and all the necessary hardware for an easy at home installation. Maximum dyno gains of 10 hp and 13 lb. Ft. at the rear wheels. Notes: Fits Crew Cab and Double Cab models with factory single tailpipe only.

Additional Fitment Information:
Vehicle Block CC Engine Bed Length Sub Model Body CID
2019 - GMC Sierra 1500 V 5328 8 Cyl 5.3L 79.4 Base Extended Cab Pickup 325

Flowmaster
  • Dual Out Rear Exit; Includes 2.5 in. Tubing/Straight Through Mufflers; 409 Stainless Steel;50 State Legal / California Emissions Compliant Does Not Fit Crew Cab 2WD w/2 Pc Driveshaft
  • FlowFX Cat-Back Exhaust System; Dual Out Rear Exit; Includes 2.5 in. Tubing/Straight Through Mufflers; 409 Stainless Steel;
  • FlowFX Cat-Back Exhaust System
  • Product Attributes:
    • Tail Pipe Diameter: 2.500 In.
    • Tubing Diameter: 2.500 In.
    • Exhaust Type: Cat-back
    • California Proposition 65 Chemical Name 2: Chromium (hexavalent Compounds)
    • Exit Position: Dual Out Rear
    • California Proposition 65 Chemical Name 1: Nickel (metallic)
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Inlet Inside Diameter: 2.500 In.
    • Muffler Body Length: 18.000 In.
  • Features:
    • Deep Powerful Tone Inside And Outside The Vehicle
    • Exits Through The Factory Exhaust Bezels
    • Full Stainless Steel Construction
    • Easy At Home Installation
  • This Flowmaster FlowFX Cat-back exhaust system is designed for the 2019*-2022 GM Silverado/Sierra 1500 trucks (*new body style) with 5.3L engine and factory dual exhaust. This bolt-on system is manufactured using durable 409 stainless steel throughout and features a 3.00-inch inlet pipe leading to a single inlet/dual outlet FlowFX straight-through muffler for a deep, moderately aggressive sound and maximum performance. Maximum dyno gains of 21 hp and 26 lb. Ft at the rear wheels. The dual 2.50-inch mandrel bent tailpipes are custom routed to clear the factory spare tire and tow hitch without any clearance issues and exit out through the factory exhaust bezels in the bumper, retaining the factory dual exhaust appearance. This system utilizes factory hanger locations, includes installation instructions, and all necessary hardware for an easy at home installation. Note: Fits 2WD and 4WD models.

Additional Fitment Information:
Vehicle Block CC Engine Bed Length Sub Model Body CID
2019 - GMC Sierra 1500 V 5328 8 Cyl 5.3L 79.4 Base Extended Cab Pickup 325

Flowmaster
  • Dual Out Rear Or Side Exit; Includes 2.5in. Tubing/Super 40 Series Muffler/3.5 in. Polished Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant
  • American Thunder Cat Back Exhaust System; Dual Out Rear Or Side Exit; Includes 2.5in. Tubing/Super 40 Series Muffler/3.5 in. Polished Tips; 409 Stainless Steel;
  • American Thunder Cat Back Exhaust System
  • Product Attributes:
    • Tail Pipe Diameter: 2.500 In.
    • Tubing Diameter: 2.500 In.
    • Exhaust Type: Cat-back
    • California Proposition 65 Chemical Name 2: Chromium (hexavalent Compounds)
    • Exit Position: Dual Out Rear
    • California Proposition 65 Chemical Name 1: Nickel (metallic)
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • Inlet Inside Diameter: 2.500 In.
  • Features:
    • Deep Powerful Performance Tone
    • Full Stainless Steel Construction
    • Easy Installation
  • This Flowmaster American Thunder Cat-back exhaust system is perfect for the person looking for deep, powerful sound outside the vehicle with a little growl inside the cab. This emissions-legal system is for 2WD & 4WD 2019-2022 GM 1500 trucks (new body style) with the 5.3L engine and factory single exhaust. System features include full stainless steel construction, a single in/dual outlet Super 40 Series muffler and mandrel-bent dual 2.50-inch stainless steel tailpipes for maximum performance and a deep sound. Maximum dyno gains of 21 hp and 23 lb. Ft. at the rear wheels. This bolt-on system utilizes the factory hanger locations and includes your choice of tailpipe exits, either dual out the rear exiting under the bumper, or dual out the side behind the rear wheels to help prevent blowing exhaust on your boat or trailer when towing. The system is finished off with a pair of large 3.50-inch double wall polished 304 stainless steel tips. Designed for a perfect fit, the system includes installation instructions and all the necessary hardware for an easy at home installation. Note: Fits 2/4 wheel drive Crew cab and double cab models.

Additional Fitment Information:
Vehicle Block CC Engine Bed Length Sub Model Body CID
2019 - GMC Sierra 1500 V 5328 8 Cyl 5.3L 79.4 Base Extended Cab Pickup 325
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