Description
This Borla 60706 wheelbase extension pipe is designed to adapt Borla’s 147.4-inch wheelbase cat-back systems for use with 2019-2021 Chevrolet Silverado 1500 and GMC Sierra 1500 Crew Cab models featuring a standard bed (6′ 7″). Crafted from high-quality austenitic T-304 stainless steel, this extension pipe provides excellent durability and corrosion resistance, ensuring a long-lasting performance. Precision CNC manufacturing guarantees a perfect fit, maintaining optimal exhaust flow and reducing installation time. This extension seamlessly connects your existing exhaust system components, allowing for a customized fit that enhances your vehicle’s performance and sound profile.
Features:
- Adapts Borla 147.4-inch wheelbase systems for Crew Cab with standard bed (6′ 7″) on Chevrolet Silverado 1500 and GMC Sierra 1500 models
- Constructed from premium T-304 stainless steel for durability and corrosion resistance
- Inlet diameter: 3.5 inches; Outlet diameter: 3.5 inches; Length: 12 inches
- Includes one 3.5-inch clamp for secure installation
- Designed for 2019-2021 models (excluding ZR2 & AT4X variants)
- Backed by Borla’s Million-Mile Warranty, ensuring quality and peace of mind
Fitment:
Chevrolet Silverado 1500 Custom Trail Boss 2020
Chevrolet Silverado 1500 Custom Trail Boss 2021
Chevrolet Silverado 1500 High Country 2019
Chevrolet Silverado 1500 High Country 2020
Chevrolet Silverado 1500 High Country 2021
Chevrolet Silverado 1500 High Country 2022
Chevrolet Silverado 1500 High Country 2023
Chevrolet Silverado 1500 High Country 2024
Chevrolet Silverado 1500 LT Trail Boss 2020
Chevrolet Silverado 1500 LT Trail Boss 2021
Chevrolet Silverado 1500 LT Trail Boss 2022
Chevrolet Silverado 1500 LT Trail Boss 2023
Chevrolet Silverado 1500 LT Trail Boss 2024
Chevrolet Silverado 1500 LTZ 2019
Chevrolet Silverado 1500 LTZ 2020
Chevrolet Silverado 1500 LTZ 2021
Chevrolet Silverado 1500 LTZ 2022
Chevrolet Silverado 1500 LTZ 2023
Chevrolet Silverado 1500 LTZ 2024
Chevrolet Silverado 1500 RST 2020
Chevrolet Silverado 1500 RST 2021
Chevrolet Silverado 1500 RST 2022
Chevrolet Silverado 1500 RST 2023
Chevrolet Silverado 1500 ZR2 2022
Chevrolet Silverado 1500 ZR2 2023
Chevrolet Silverado 1500 LTD Custom Trail Boss 2022
Chevrolet Silverado 1500 LTD High Country 2022
Chevrolet Silverado 1500 LTD LT Trail Boss 2022
Chevrolet Silverado 1500 LTD LTZ 2022
Chevrolet Silverado 1500 LTD RST 2022
GMC Sierra 1500 AT4 2024
GMC Sierra 1500 Denali 2019
GMC Sierra 1500 Denali 2020
GMC Sierra 1500 Denali 2021
GMC Sierra 1500 Denali 2022
GMC Sierra 1500 Denali 2023
GMC Sierra 1500 Denali 2024
GMC Sierra 1500 SLT 2019
GMC Sierra 1500 SLT 2020
GMC Sierra 1500 SLT 2021
GMC Sierra 1500 SLT 2022
GMC Sierra 1500 SLT 2023
GMC Sierra 1500 SLT 2024
GMC Sierra 1500 Limited Denali 2022
GMC Sierra 1500 Limited SLT 2022





















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