# Borla 19-20 Chevrolet Silverado 1500 / GMC Sierra 1500 6.2L V8 WB Adapter

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. The extension pipe dimensions are 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.

-   Adapts Borla(r) 147.4" Wheelbase systems to Crew Cab with Standard Bed (6' 7") 157" Wheelbase vehicles
-   3.5" ID inlet, 3.5" OD outlet, 12" long
-   EXCEPT ZR2 & AT4X models
-   1) 3.5" clamp included

This Part Fits:

Year

Make

Model

Submodel

2020-2021

Chevrolet

Silverado 1500

Custom Trail Boss

2019-2023

Chevrolet

Silverado 1500

High Country

2020-2023

Chevrolet

Silverado 1500

LT Trail Boss

2019-2023

Chevrolet

Silverado 1500

LTZ

2020-2023

Chevrolet

Silverado 1500

RST

2019,2022-2023

GMC

Sierra 1500

AT4

2019-2023

GMC

Sierra 1500

Denali

2019-2023

GMC

Sierra 1500

SLT

## Details

- **Price:** 117.29 CAD
- **Vendor:** Borla
- **Type:** Connecting Pipes

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 117.29 CAD | In stock |

## Images

- Photo - Primary
- User 9

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/borla-19-20-chevrolet-silverado-1500-gmc-sierra-1500-6-2l-v8-wb-adapter)
> Updated: 2026-06-25