The Borla 60706 is an extension pipe used to adapt Borla 147.4 inch wheelbase Cat-Back systems to fit Chevrolet Silverado 1500 and GMC Sierra 1500 6.2L Crew Cab with Standard Bed (6 foot 7 inch) 157 inch wheelbase vehicles. It does not fit ZR2 or AT4X models. The pipe measures 3.5 inch inside diameter inlet, 3.5 inch outside diameter outlet, and 12 inches long, and one 3 inch clamp is included. It is built from premium, high-quality austenitic T-304 stainless steel, with precision CNC manufacturing for an accurate fit. Borla exhaust is handmade in the USA and backed by the Borla Million-Mile Warranty.
Specifications:
- Type: Cat-Back extension / adapter pipe
- Inlet: 3.5 in. inside diameter
- Outlet: 3.5 in. outside diameter
- Overall length: 12 in.
- Material: T-304 austenitic stainless steel
- Includes one 3 in. clamp
- Adapts Borla 147.4 in wheelbase systems to 157 in wheelbase Crew Cab Standard Bed
- Except ZR2 and AT4X models
- Made in the USA
- Part number: 60706
Vehicle Applications:
- 2019 Chevrolet Silverado 1500
- 2020 Chevrolet Silverado 1500
- 2021 Chevrolet Silverado 1500
- 2022 Chevrolet Silverado 1500
- 2023 Chevrolet Silverado 1500
- 2019 GMC Sierra 1500
- 2020 GMC Sierra 1500
- 2021 GMC Sierra 1500
- 2022 GMC Sierra 1500
- 2023 GMC Sierra 1500
FAQ
What is the Borla 60706 used for?
It is an extension pipe that adapts Borla 147.4 inch wheelbase Cat-Back systems to 157 inch wheelbase Crew Cab Standard Bed Silverado 1500 and Sierra 1500 trucks.
Which trucks does it fit?
It fits 2019-2023 Chevrolet Silverado 1500 and GMC Sierra 1500 6.2L Crew Cab Standard Bed (6 foot 7 inch) 157 inch wheelbase models, except ZR2 and AT4X.
Is the 60706 emissions legal?
The 60706 is an extension pipe and does not change emissions equipment. Emissions legality depends on the complete exhaust system and application it is installed with.
What are the dimensions and material?
The pipe is 3.5 inch inside diameter inlet, 3.5 inch outside diameter outlet, 12 inches long, built from T-304 stainless steel, and includes one 3 inch clamp.
What warranty does the 60706 carry?
Borla exhaust is handmade in the USA and the 60706 is covered by the Borla Million-Mile Warranty.

