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- Wheelbase Extension Pipe
- Wheelbase Extension Pipe 2019-2023 Chevrolet Silverado 1500/ GMC Sierra 1500 (EXCEPT ZR2 & AT4X) 6.2L V8 Automatic/ Manual Transmission Crew Cab With Standard Bed (6' 7") 157" Wheelbase.
- Connection Pipes - Wheelbase Extension Pipe
- Product Attributes:
- Grade Type: Performance
- Title Extended: 2019-2023 Chevrolet Silverado 1500/ Gmc Sierra 1500 Extension Pipe Part # 60706
- EXCEPT ZR2 & AT4X models. This extension pipe is used to adapt the BORLA 147.4" Wheelbase Cat-Back systems to fit Crew Cab with Standard Bed (6' 7") 157" Wheelbase vehicles. 3.5" ID inlet, 3.5" OD outlet, 12" long. Includes 1) 3" clamp. Built from premium, high-quality austenitic T-304 stainless steel, to give you the absolute best in performance and durability. Precision computer numerical control (CNC) manufacturing ensures an accurate fit. Best of all, BORLA stands behind every extension pipe 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 | CID |
|---|---|---|---|---|
| 2021 - Chevrolet Silverado 1500 | V | 6162 | 8 Cyl 6.2L | 376 |
- Chambered
- 16 Inch Overall Length
- MaxFlow Xtreme Muffler
- Product Attributes:
- Inlet Diameter (IN): 3-1/2 Inch
- Outlet Diameter (IN): 2-1/2 Inch
- Internal Construction: Chambered
- Outlet Position: Offset Dual
- Tip Finish: No Tip
- Case Length (IN): 10 Inch
- Prop 65 - Short Label: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Includes Tip: No
- Tip Diameter (IN): No Tip
- Tip Length (IN): No Tip
- Shape: Oval
- Color/ Finish: Electropolished
- Prop 65 Y/N: Y
- Tip Material: No Tip
- Inlet Position: Offset Single
- Material: Stainless Steel
- Overall Length (IN): 16 Inch
-
Features:
- Built From Premium T-304 Austenitic Stainless Steel Which Will Not Pit Or Rust
- All T-304 Stainless Steel Internal Components Which Will Not Pit Or Rust From The Inside Out
- 300 Series Stainless Steel Weld Filler Supports The Overall Quality And Durability Of The Muffler
- Rich, Aggressive Tone From The MaxFlow Xtreme Muffler Adds A Powerful Sound To The Vehicle
- MaxFlow Xtreme Mufflers by SpeedFX are built using T-304 austenitic stainless steel which will not pit or rust, including all internal parts. 300 series stainless steel weld filler supports the overall quality and durability of the muffler. The chambered muffler delivers a rich, aggressive tone that will turn heads and make you smile.
Additional Fitment Information:
| Vehicle | Bed Length | Body |
|---|---|---|
| 2021 - Chevrolet Silverado 1500 | 69.9 | Crew Cab Pickup |
- Chambered
- Except Vehicles With Factory Performance Exhaust
- 16 Inch Overall Length
- MaxFlow Xtreme Muffler
- Product Attributes:
- Inlet Diameter (IN): 3-1/2 Inch
- Outlet Diameter (IN): 2-1/2 Inch
- Internal Construction: Chambered
- Outlet Position: Offset Dual
- Tip Finish: No Tip
- Case Length (IN): 10 Inch
- Prop 65 - Short Label: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Includes Tip: No
- Tip Diameter (IN): No Tip
- Tip Length (IN): No Tip
- Shape: Oval
- Color/ Finish: Electropolished
- Prop 65 Y/N: Y
- Tip Material: No Tip
- Inlet Position: Offset Single
- Material: Stainless Steel
- Overall Length (IN): 16 Inch
-
Features:
- Built From Premium T-304 Austenitic Stainless Steel Which Will Not Pit Or Rust
- All T-304 Stainless Steel Internal Components Which Will Not Pit Or Rust From The Inside Out
- 300 Series Stainless Steel Weld Filler Supports The Overall Quality And Durability Of The Muffler
- Rich, Aggressive Tone From The MaxFlow Xtreme Muffler Adds A Powerful Sound To The Vehicle
- MaxFlow Xtreme Mufflers by SpeedFX are built using T-304 austenitic stainless steel which will not pit or rust, including all internal parts. 300 series stainless steel weld filler supports the overall quality and durability of the muffler. The chambered muffler delivers a rich, aggressive tone that will turn heads and make you smile.
Additional Fitment Information:
| Vehicle | Bed Length | Body |
|---|---|---|
| 2021 - Chevrolet Silverado 1500 | 69.9 | Crew Cab Pickup |
- Polyphonic Harmonizer - ATAK
- ATAK Polyphonic Harmonizer 2019-2023 Chevrolet Silverado 1500/ GMC Sierra 1500 6.2L V8 Automatic Transmission 2 & 4 Wheel Drive With Borla "S-TYPE" Cat-Back System
- Connection Pipes - Polyphonic Harmonizer - ATAK
- Product Attributes:
- Tip / Outlet Finish: N/a
- Grade Type: Performance
- Construction: All Welded
- Title Extended: 2019-2023 Chevrolet Silverado 1500/ Gmc Sierra 1500 Optional Atak Polyphonic Harmonizer Part 60680
- Prop 65 (C, R or CR): Cr
- Replace the small muffler behind the primary muffler in the BORLA S-Type system with Polyphonic Harmonizer 60680 to attain the ATAK sound level (louder than S-Type). BORLA'S Polyphonic Harmonizer Technology utilizes patented units that contain pipes of different diameters and lengths to create multiple exhaust notes that harmonize to deliver a clean, rich, full-bodied sound to the BORLA mufflers. The mufflers then enhance this sound to the character and volume appropriate for our Touring, S-Type and ATAK systems. Built from premium T-304 stainless steel, superior to T-400 series (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer numerical control (CNC) manufacturing ensures an accurate fit. Best of all, BORLA stands behind every Polyphonic Harmonizer 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 | CID |
|---|---|---|---|---|
| 2021 - Chevrolet Silverado 1500 | V | 6162 | 8 Cyl 6.2L | 376 |
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