2021 GMC Sierra 2500 HD Flowmaster Parts
Choose your Engine for your 2021 GMC Sierra 2500 HD
Image
Product
Price
- 3.5 To 3.0 in. Tubing; 409 Stainless Steel; 4.0 in. Dual Polished Tips; Includes Installation Hardware;50 State Legal / California Emissions Compliant
- Outlaw Series™ Cat Back Exhaust System; 3.5 To 3.0 in. Tubing; 409 Stainless Steel; 4.0 in. Dual Polished Tips; Includes Installation Hardware;
- Outlaw Series™ Cat Back Exhaust System
- Product Attributes:
- Exhaust Type: Cat-back
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
-
Features:
- Max Increases Of Up To 9 Hp And 9 Lb.Ft. Over The Stock Exhaust At The Rear Wheels
- 3.50 And 3.00 In. Mandrel Bent 16-Gauge 409 Stainless Steel Tubing Maximizes Exhaust Flow And Improves Durability
- Dual 4.00-Inch Polished Stainless Steel Tips Add A Custom Look
- Includes Complete Hardware And Factory Styled Hangers In The Stock Locations For An Easy Installation
- Backed By Flowmaster s Lifetime Limited Warranty
- Can Be Configured To Exit Straight Out The Rear Or Out The Side Depending On Preference
- This Flowmaster(R) Outlaw(R) Cat-back exhaust system for the 2020-2022 Chevy Silverado and GMC Sierra 2500HD/3500HD trucks with the 6.6L gas engine, is perfect if you are looking for an aggressive sound level inside and outside of the truck, with all of the performance benefits that you would expect from Flowmaster(R). Maximum increases of up to 9 hp and 9 lb. Ft. over the stock exhaust at the rear wheels. Designed for the Crew Cab, Standard Bed (6.5 ft.) models only, this bolt-on, emissions-legal system features a stainless steel Outlaw series muffler and large dual 3.00-inch 409 stainless steel mandrel-bent tailpipes that can be configured to exit either dual straight out the back, or dual out the sides behind the rear wheels which is best suited for towing applications. The system is finished off with polished 4.00-inch 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.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Bed Length | Body | CID |
|---|---|---|---|---|---|---|
| 2021 - GMC Sierra 2500 HD | V | 6571 | 8 Cyl 6.6L | 82.2 | Crew Cab Pickup | 401 |
- Dual; 3 in. Tubing; 3.5 in. ID.; 409S Stainless Steel/Natural/Brushed; 4.5 in. Dia./304 Stainless Steel/Black Ceramic Tip
- FlowFX Cat-Back Exhaust System; Dual; 3 in. Tubing; 3.5 in. ID.; 409S Stainless Steel/Natural/Brushed; 4.5 in. Dia./304 Stainless Steel/Black Ceramic Tip;
- FlowFX Cat-Back Exhaust System
- Product Attributes:
- Exhaust Type: Cat-back
- Exit Position: Dual Out Side
- Tip Diameter: 4.500 In.
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Muffler Body Length: 18.000 In.
-
Features:
- Offers An Aggressive To Moderate Sound Level And Increased Performance
- Includes Hangers And Hardware For An At Home Installation
- Factory Hangers Locations Used For An Easy Installation
- Covered By Out Lifetime Limited Warranty
- This Flowmaster[R] FlowFX[R] cat-back exhaust system for the 2020-2022 GM 2500HD/3500HD trucks with the 6.6 liter gas engine is manufactured using durable 409 stainless steel throughout and features 3.50 to dual 3.00 in. mandrel bent pipes for better exhaust gas flow, and a FlowFX straight-through muffler is used for a moderate sound level and maximum performance. Maximum increases on the dyno revealed plus 9 hp and plus 10 lb.-ft at the rear wheels. This system exits out both sides, behind the rear wheels with 4.50 in. black ceramic tips for added style and a custom look. The system uses all the existing factory hanger locations and includes installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmasters Lifetime Limited Warranty.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Bed Length | Body | CID |
|---|---|---|---|---|---|---|
| 2021 - GMC Sierra 2500 HD | V | 6571 | 8 Cyl 6.6L | 82.2 | Crew Cab Pickup | 401 |
- Single; Dual Rear Same Side Exit; Includes 3 in. Tailpipes/50 Series(TM) HD Muffler/4 in. Stainless Tips; 409 Stainless Steel;50 State Legal / California Emissions Compliant
- American Thunder Cat Back Exhaust System; Single; Dual Rear Same Side Exit; Includes 3 in. Tailpipes/50 Series™ HD Muffler/4 in. Stainless Tips; 409 Stainless Steel;
- American Thunder Cat Back Exhaust System
- Product Attributes:
- Exhaust Type: Cat-back
- Exit Position: Dual Out Rear/ Dual Out Side
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
-
Features:
- Mandrel Bent 16 Gauge 409 Stainless Tubing
- Uses The Factory Hanger Locations To Ease Installation
- 50 Series HD Muffler With Delta Flow Technology
- Increased Performance And Exhaust Flow
- Multiple Tailpipe Exits Provided In Kit
- Deep Powerful Exterior Sound
- Large 3 in. Dual Tailpipes
- Lifetime Limited Warranty
- Flowmaster Quality
- The Flowmaster American Thunder Cat-back exhaust system for the 2020-2022 Chevy Silverado and GMC Sierra 2500HD and 3500HD trucks with the 6.6L gas engine, has a moderate to aggressive sound level inside and outside of the truck, with all of the performance benefits you expect from Flowmaster. Designed for the Crew Cab, Standard Bed (6.5 ft.) models only, this bolt-on, emissions-legal system features a stainless steel 50 Series HD muffler and large dual 3.00-inch 409 stainless steel mandrel-bent tailpipes that can be configured to exit either dual straight out the back, or dual out the sides behind the rear wheels which is best suited for towing applications. The system is finished off with a pair of large 4.00-inch polished 304 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. Notes: Fits Crew Cab with 6.5 bed length, 159-inch wheelbase only.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Bed Length | Body | CID |
|---|---|---|---|---|---|---|
| 2021 - GMC Sierra 2500 HD | V | 6571 | 8 Cyl 6.6L | 82.2 | Crew Cab Pickup | 401 |
- Outlaw Series™ Cat Back Exhaust System
- 3.5 To 3.0 in. Tubing; 409 Stainless Steel; 4.0 in. Dual Polished Tips; Includes Installation Hardware;50 State Legal / California Emissions Compliant
- Outlaw Series™ Cat Back Exhaust System; 3.5 To 3.0 in. Tubing; 409 Stainless Steel; 4.0 in. Dual Polished Tips; Includes Installation Hardware;
- Outlaw Series(TM) Cat Back Exhaust System
- Product Attributes:
- Exhaust Type: Cat-back
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
-
Features:
- Max Increases Of Up To 9 Hp And 9 Lb.Ft. Over The Stock Exhaust At The Rear Wheels
- 3.50 And 3.00 In. Mandrel Bent 16-Gauge 409 Stainless Steel Tubing Maximizes Exhaust Flow And Improves Durability
- Dual 4.00-Inch Polished Stainless Steel Tips Add A Custom Look
- Includes Complete Hardware And Factory Styled Hangers In The Stock Locations For An Easy Installation
- Backed By Flowmaster s Lifetime Limited Warranty
- Can Be Configured To Exit Straight Out The Rear Or Out The Side Depending On Preference
- This Flowmaster(R) Outlaw(R) Cat-back exhaust system for the 2020-2022 Chevy Silverado and GMC Sierra 2500HD/3500HD trucks with the 6.6L gas engine, is perfect if you are looking for an aggressive sound level inside and outside of the truck, with all of the performance benefits that you would expect from Flowmaster(R). Maximum increases of up to 9 hp and 9 lb. Ft. over the stock exhaust at the rear wheels. Designed for the Crew Cab, Standard Bed (6.5 ft.) models only, this bolt-on, emissions-legal system features a stainless steel Outlaw series muffler and large dual 3.00-inch 409 stainless steel mandrel-bent tailpipes that can be configured to exit either dual straight out the back, or dual out the sides behind the rear wheels which is best suited for towing applications. The system is finished off with polished 4.00-inch 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.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Bed Length | Body | CID |
|---|---|---|---|---|---|---|
| 2021 - GMC Sierra 2500 HD | V | 6571 | 8 Cyl 6.6L | 82.2 | Crew Cab Pickup | 401 |
Showing 1 - 4 of 4 products
Loading...