2021 GMC Sierra 3500 HD Exhaust System Kit Parts
Choose your Engine for your 2021 GMC Sierra 3500 HD
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- 3.5 in. Tubing; 5 in. Round Rolled Angle Cut Tip;50 State Legal / California Emissions Compliant
- S-Type Cat-Back™ Exhaust System; 3.5 in. Tubing; 5 in. Round Rolled Angle Cut Tip;
- S-Type Cat-Back™ Exhaust System
- Product Attributes:
- Exhaust Type:
- Axle-back
- Cat Back
- WARNING CA Proposition 65: Yes
- Exhaust Type:
-
Features:
- Unleash Hidden Horsepower
- Distinctive Borla Sound Of Power
- Absolute Best In Performance And Durability
- Ensure Maximum Flow And Power
- CNC Manufacturing Ensures An Accurate Fit
- EXCEPT Diesel engine. EXCEPT vehicles with Dual Rear Wheels. This system features the classic BORLA(R) S-Type sound and a 5 in. bright chrome on T-304 stainless steel tip. A black chrome on T-304 stainless steel tip is also available. BORLA(R) Cat-Back(TM) and Axle-Back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive BORLA(R) Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow and power, and precision computer numerical control (CNC) manufacturing ensures an accurate fit. Best of all, BORLA(R) stands behind every system with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Bed Length | Body | CID |
|---|---|---|---|---|---|---|
| 2021 - GMC Sierra 3500 HD | V | 6571 | 8 Cyl 6.6L | 82.2 | Crew Cab Pickup | 401 |
- Black DPF Series Diesel 5in. Filter-Back
- Single Passenger Side Rear Exit
- Black DPF Series Diesel 5in. Filter-Back
- Black Series Diesel 5in. Filter-Back
- Product Attributes:
- Hangers Included: Yes
- Tip Finish: Black Coated
- Exit Style: Single Passenger Side Rear
- Tip Length: 13
- Tip Type: Welded-on;single Wall;angle Cut;rolled Edge;intercooled
- Muffler Quantity: 0
- Mounting Bracket Included: No
- Subtitle: Filter-back
- Main Piping Diameter: 5
- Tip Diameter: 6
- Valve Included: No
- Tip Shape: Round
- Clamp Type: Band Clamp
- Inlet Connection Type: Bolt-on;clamp-on
Additional Fitment Information:
| Vehicle | Block | CC | Fuel Type | Engine | Body | CID |
|---|---|---|---|---|---|---|
| 2021 - GMC Sierra 3500 HD | V | 6599 | DIESEL | 8 Cyl 6.6L | Extended Cab Pickup | 403 |
- Armor Pro Cat Back Exhaust System
- 4 in. Tubing; Single Side Exit; 5 in. Outlet Diameter Tips; T304 Stainless Steel
- Armor Pro Cat Back Exhaust System; 4 in. Tubing; Single Side Exit; 5 in. Outlet Diameter Tips; T304 Stainless Steel;
- Pro Series Cat Back Exhaust System
- Product Attributes:
- Exhaust Type: Cat-back
- Exit Position: Single Side
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message:
- Warning: This Product Can Expose You To Chemicals Including Nickel (metallic) And Chromium (hexavalent Compounds) Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm
- Warning: This Product Can Expose You To Chemicals Including Nickel (metallic) And Chromium (hexavalent Compounds) Which Are Known To The State Of California To Cause Cancer And Birth Defects; Or Other Reproductive Harm
-
Features:
- Improved Torque And Horsepower
- Lower Exhaust Gas Temperatures
- Increased Throttle Response
- Bolt On Design
- Utilizes OEM Hangers
- THE ONLY EXHAUST YOU'LL EVER NEED - MBRP ARMOR PRO Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304Stainless Steel - the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. It's the obvious choice for you if you operate your vehicle in extreme conditions. All of the tubing is mandrel bent for maximum exhaust flow. Mandrel bending ensures no rippling in the bends. The end result is that it gives you more fresh air inside your engine's cylinders, allowing it to produce more power and improve vehicle performance and longevity. MBRP, Stand out from the crowd with a performance exhaust system that sounds great.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Bed Length | Body | CID |
|---|---|---|---|---|---|---|
| 2021 - GMC Sierra 3500 HD | V | 6571 | 8 Cyl 6.6L | 82.2 | Crew Cab Pickup | 401 |
- Armor Lite Cat Back Exhaust System
- 4 in. Tubing; Single Side Exit; 5 in. Outlet Diameter Tips; Aluminized
- Armor Lite Cat Back Exhaust System; 4 in. Tubing; Single Side Exit; 5 in. Outlet Diameter Tips; Aluminized;
- Installer Series Cat Back Exhaust System
- Product Attributes:
- Exhaust Type: Cat-back
- Exit Position: Single Side
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message:
- Warning: This Product Can Expose You To Chemicals Including Nickel (metallic) And Chromium (hexavalent Compounds) Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm
- Warning: This Product Can Expose You To Chemicals Including Nickel (metallic) And Chromium (hexavalent Compounds) Which Are Known To The State Of California To Cause Cancer And Birth Defects; Or Other Reproductive Harm
-
Features:
- Improved Torque And Horsepower
- Lower Exhaust Gas Temperatures
- Increased Throttle Response
- Bolt On Design
- Utilizes OEM Hangers
- THE BEST BANG FOR YOUR BUCK - ARMOR LITE Series exhaust systems are a value option with the same fitment, performance and sound as the premium products from MBRP. Heavy-gauge Aluminized Steel tubing helps to resist dings and dents caused by debris under your vehicle. This material can be a great choice for you if you live in a dry climate that doesn't see much precipitation, or if you're looking for great sound on a budget. All of the tubing is mandrel bent for maximum exhaust flow. Mandrel bending ensures no rippling in the bends. The end result is that it gives you more fresh air inside your engine's cylinders, allowing it to produce more power and improve vehicle performance and longevity. MBRP, Stand out from the crowd with a performance exhaust system that sounds great.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Bed Length | Body | CID |
|---|---|---|---|---|---|---|
| 2021 - GMC Sierra 3500 HD | V | 6571 | 8 Cyl 6.6L | 82.2 | Crew Cab Pickup | 401 |
- 5 in.; Includes Over-Axle Pipe/Tail-Pipe/Hardware/6 in. OD Tip; Touring Profile; Single Side; 409 Stainless Steel; Cutting Required
- Armor Plus Filter Back Exhaust System; 5 in.; Includes Over-Axle Pipe/Tail-Pipe/Hardware/6 in. OD Tip; Touring Profile; Single Side; 409 Stainless Steel; Cutting Required;
- Armor Plus Filter Back Exhaust System
- Product Attributes:
- Exhaust Type: Filter-back
- Exit Position: Single Side
- Tip Diameter: 6.000 In.
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message: Warning: This Product Can Expose You To Chemicals Including Nickel (metallic) And Chromium (hexavalent Compounds) Which Are Known To The State Of California To Cause Cancer And Birth Defects. (for More Information Go To Www.p65warnings.ca.gov)
-
Features:
- Mellow Exhaust Note
- Smooth Mandrel Bent Tubing
- Smoother Exhaust Flow
- RELIABILITY BACKED FOR A LIFETIME - ARMOR PLUS Series exhaust systems are crafted from corrosion-resistant T409 Stainless Steel - a value-oriented material designed to protect from penetrating rust and will stand up to almost anything you can throw at it.T409 Stainless Steel tubing is easy to clean. If you're looking for a performance exhaust system with a Lifetime Warranty, this is probably the one for you. If you don't find yourself faced with lots of precipitation and salt, this is all you're ever going to need. All of the tubing is mandrel bent for maximum exhaust flow. Mandrel bending ensures no rippling in the bends. The end result is that it gives you more fresh air inside your engine's cylinders, allowing it to produce more power and improve vehicle performance and longevity. Its important to note that T409 Stainless Steel is resistant to penetrating rust but winter conditions, heavy salt air, and road treatments might accelerate the corrosion process, these conditions are not covered by MBRPs manufacturer warranty unless the part or system fails completely. When it comes to a performance exhaust system, choose the MBRP ARMOR PLUS Series for a reliable option backed for a lifetime. MBRP, Stand out from the crowd with a performance exhaust system that sounds great.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Bed Length | Body | CID |
|---|---|---|---|---|---|---|
| 2021 - GMC Sierra 3500 HD | V | 6599 | 8 Cyl 6.6L | 82.2 | Crew Cab Pickup | 403 |
- Armor Pro Filter Back Exhaust System
- 4 in.; 5 in. Outlet Diameter Tip; Single Side Exit; T304 Stainless Steel
- Armor Pro Filter Back Exhaust System; 4 in.; 5 in. Outlet Diameter Tip; Single Side Exit; T304 Stainless Steel;
- Pro Series Filter Back Exhaust System
- Product Attributes:
- Exhaust Type: Filter-back
- Exit Position: Single Side
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message:
- Warning: This Product Can Expose You To Chemicals Including Nickel (metallic) And Chromium (hexavalent Compounds) Which Are Known To The State Of California To Cause Cancer And Birth Defects; Or Other Reproductive Harm
- Warning: This Product Can Expose You To Chemicals Including Nickel (metallic) And Chromium (hexavalent Compounds) Which Are Known To The State Of California To Cause Cancer And Birth Defects; Or Other Reproductive Harm - Www.p65warnings.ca.gov
-
Features:
- Improved Torque And Horsepower
- Lower Exhaust Gas Temperatures
- Increased Throttle Response
- Mellow Exhaust Note
- Bolt On Design
- Utilizes OEM Hangers
- Stainless Steel Tips Are Included
- Lifetime Warranty
- THE ONLY EXHAUST YOU'LL EVER NEED - MBRP ARMOR PRO Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304Stainless Steel - the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. It's the obvious choice for you if you operate your vehicle in extreme conditions. All of the tubing is mandrel bent for maximum exhaust flow. Mandrel bending ensures no rippling in the bends. The end result is that it gives you more fresh air inside your engine's cylinders, allowing it to produce more power and improve vehicle performance and longevity. MBRP, Stand out from the crowd with a performance exhaust system that sounds great.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Bed Length | Body | CID |
|---|---|---|---|---|---|---|
| 2021 - GMC Sierra 3500 HD | V | 6599 | 8 Cyl 6.6L | 82.2 | Crew Cab Pickup | 403 |
- 4 in.; 5 in. Outlet Diameter Tip; Single Side Exit; T304 Stainless Steel;Meets EPA Standards
- Armor Pro Filter Back Exhaust System; 4 in.; 5 in. Outlet Diameter Tip; Single Side Exit; T304 Stainless Steel;
- Armor Pro Filter Back Exhaust System
- Product Attributes:
- Exhaust Type: Filter-back
- Exit Position: Single Side
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message: Warning: This Product Can Expose You To Chemicals Including Nickel (metallic) And Chromium (hexavalent Compounds) Which Are Known To The State Of California To Cause Cancer And Birth Defects; Or Other Reproductive Harm
-
Features:
- Improved Torque And Horsepower
- Lower Exhaust Gas Temperatures
- Increased Throttle Response
- Mellow Exhaust Note
- Bolt On Design
- Utilizes OEM Hangers
- Stainless Steel Tips Are Included
- Lifetime Warranty
- THE ONLY EXHAUST YOU'LL EVER NEED - MBRP ARMOR PRO Series exhaust systems are backed by a Lifetime Warranty and crafted out of T304Stainless Steel - the most durable material grade that money can buy. The T304 Stainless Steel tubing is easy to clean and maintain. It's the obvious choice for you if you operate your vehicle in extreme conditions. All of the tubing is mandrel bent for maximum exhaust flow. Mandrel bending ensures no rippling in the bends. The end result is that it gives you more fresh air inside your engine's cylinders, allowing it to produce more power and improve vehicle performance and longevity. MBRP, Stand out from the crowd with a performance exhaust system that sounds great.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Bed Length | Body | CID |
|---|---|---|---|---|---|---|
| 2021 - GMC Sierra 3500 HD | V | 6599 | 8 Cyl 6.6L | 82.2 | Crew Cab Pickup | 403 |
- 3.5 in. Tubing; 5 in. Round Rolled Angle Cut Black Chrome Tip;50 State Legal / California Emissions Compliant
- S-Type Cat-Back™ Exhaust System; 3.5 in. Tubing; 5 in. Round Rolled Angle Cut Black Chrome Tip;
- S-Type Cat-Back™ Exhaust System
- Product Attributes:
- Exhaust Type:
- Axle-back
- Cat Back
- WARNING CA Proposition 65: Yes
- Exhaust Type:
-
Features:
- Unleash Hidden Horsepower
- Distinctive Borla Sound Of Power
- Absolute Best In Performance And Durability
- Ensure Maximum Flow And Power
- CNC Manufacturing Ensures An Accurate Fit
- EXCEPT Diesel engine. EXCEPT vehicles with Dual Rear Wheels. This system features the classic BORLA(R) S-Type sound and a 5 in. black chrome on T-304 stainless steel tip. Using BORLA(R) Stainless Steel Polish p# 21461 is NOT recommended with these black chrome tips. We suggest cleaning the tips with hot water and a microfiber cloth. A bright chrome on T-304 stainless steel tip is also available. BORLA(R) Cat-Back(TM) and Axle-Back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive BORLA(R) Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow and power, and precision computer numerical control (CNC) manufacturing ensures an accurate fit. Best of all, BORLA(R) stands behind every system with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Bed Length | Body | CID |
|---|---|---|---|---|---|---|
| 2021 - GMC Sierra 3500 HD | V | 6571 | 8 Cyl 6.6L | 82.2 | Crew Cab Pickup | 401 |
- Armor Lite Filter Back Exhaust System
- 4 in.; 5 in. Outlet Diameter Tip; Single Side Exit; Aluminized
- Armor Lite Filter Back Exhaust System; 4 in.; 5 in. Outlet Diameter Tip; Single Side Exit; Aluminized;
- Installer Series Filter Back Exhaust System
- Product Attributes:
- Exhaust Type: Filter-back
- Exit Position: Single Side
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message:
- Warning: This Product Can Expose You To Chemicals Including Nickel (metallic) And Chromium (hexavalent Compounds) Which Are Known To The State Of California To Cause Cancer And Birth Defects; Or Other Reproductive Harm
- Warning: This Product Can Expose You To Chemicals Including Nickel (metallic) And Chromium (hexavalent Compounds) Which Are Known To The State Of California To Cause Cancer And Birth Defects; Or Other Reproductive Harm - Www.p65warnings.ca.gov
-
Features:
- Rugged And Dependable
- Stands Up To The Harshest Road Conditions
- Performance Gains That You Can Feel
- Delivers The Power
- Bolt On Design
- 3 Year Warranty
- THE BEST BANG FOR YOUR BUCK - ARMOR LITE Series exhaust systems are a value option with the same fitment, performance and sound as the premium products from MBRP. Heavy-gauge Aluminized Steel tubing helps to resist dings and dents caused by debris under your vehicle. This material can be a great choice for you if you live in a dry climate that doesn't see much precipitation, or if you're looking for great sound on a budget. All of the tubing is mandrel bent for maximum exhaust flow. Mandrel bending ensures no rippling in the bends. The end result is that it gives you more fresh air inside your engine's cylinders, allowing it to produce more power and improve vehicle performance and longevity. MBRP, Stand out from the crowd with a performance exhaust system that sounds great.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Bed Length | Body | CID |
|---|---|---|---|---|---|---|
| 2021 - GMC Sierra 3500 HD | V | 6599 | 8 Cyl 6.6L | 82.2 | Crew Cab Pickup | 403 |
- 4 in.; 5 in. Outlet Diameter Tip; Single Side Exit; Black Coated;Meets EPA Standards
- Armor BLK Filter Back Exhaust System; 4 in.; 5 in. Outlet Diameter Tip; Single Side Exit; Black Coated;
- Armor BLK Filter Back Exhaust System
- Product Attributes:
- Exhaust Type: Filter-back
- Exit Position: Single Side
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message: Warning: This Product Can Expose You To Chemicals Including Nickel (metallic) And Chromium (hexavalent Compounds) Which Are Known To The State Of California To Cause Cancer And Birth Defects; Or Other Reproductive Harm
-
Features:
- Improved Torque And Horsepower
- Lower Exhaust Gas Temperatures
- Bolt On Design
- Utilizes OEM Hangers
- 3 Year Warranty
- STYLE THATS WORTH A SECOND LOOK - ARMOR BLK Series exhaust systems crank your vehicle's style dial to 11. The ARMOR BLK series offers the same performance as the other series with an engineered, high-heat black powdercoating on the tailpipe(s) and tip(s).Manufactured using heavy-gauge Aluminized Steel tubing throughout the whole system, everything but the tailpipe and tip are left as mill-finish steel for better resistance of damage under your vehicle. This material can be a great choice for you if you live in a dry climate that doesn't see much precipitation. All of the tubing is mandrel bent for maximum exhaust flow. Mandrel bending ensures no rippling in the bends. The end result is that it gives you more fresh air inside your engine's cylinders, allowing it to produce more power and improve vehicle performance and longevity. The black powder coating features a 1-year warranty against factory defects, and the remaining parts feature an industry leading 3-year warranty. MBRP, Stand out from the crowd with a performance exhaust system that sounds great.
Additional Fitment Information:
| Vehicle | Block | CC | Engine | Bed Length | Body | CID |
|---|---|---|---|---|---|---|
| 2021 - GMC Sierra 3500 HD | V | 6599 | 8 Cyl 6.6L | 82.2 | Crew Cab Pickup | 403 |
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