# Borla 20-22 Chevrolet/GMC Silverado/Sierra 6.6L T-304 Stainless Steel Extension Pipe - Brushed

EXCEPT Diesel Engine. EXCEPT Dual Rear Wheels. This 3.5" diameter extension pipe is used to adapt the 158.9" Wheelbase BORLA® systems to vehicles with Crew Cab with Long Bed (8' 2") 172" Wheelbase. Dimensions 3.5" ID inlet, 3.5" OD outlet, 17.5" long. Includes 1) 3.5" 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) 158.9" Wheelbase systems to Crew Cab With Long Bed (8' 2") 172" Wheelbase vehicles
-   3.5" inlet, 3.5" outlet, 17.5" long. 1) 3.5" clamp included.
-   See below for additional Product Features & Benefits
-   EXCEPT vehicles with Dual Rear Wheels
-   3.5" inlet, 3.5" outlet, 17.5" long
-   1) 3.5" clamp included
-   EXCEPT Diesel engine

This Part Fits:

Year

Make

Model

Submodel

2020-2025

Chevrolet

Silverado 2500 HD

Custom

2020-2025

Chevrolet

Silverado 2500 HD

High Country

2020-2025

Chevrolet

Silverado 2500 HD

LT

2020-2025

Chevrolet

Silverado 2500 HD

LTZ

2020-2025

Chevrolet

Silverado 2500 HD

WT

2024-2025

Chevrolet

Silverado 2500 HD

ZR2

2020-2025

Chevrolet

Silverado 3500 HD

High Country

2020-2025

Chevrolet

Silverado 3500 HD

LT

2020-2025

Chevrolet

Silverado 3500 HD

LTZ

2020-2025

Chevrolet

Silverado 3500 HD

WT

2020-2025

GMC

Sierra 2500 HD

AT4

2024-2025

GMC

Sierra 2500 HD

AT4X

2020-2021

GMC

Sierra 2500 HD

Base

2020-2025

GMC

Sierra 2500 HD

Denali

2024-2025

GMC

Sierra 2500 HD

Denali Ultimate

2022-2025

GMC

Sierra 2500 HD

Pro

2020-2025

GMC

Sierra 2500 HD

SLE

2020-2025

GMC

Sierra 2500 HD

SLT

2020-2025

GMC

Sierra 3500 HD

AT4

2020-2021

GMC

Sierra 3500 HD

Base

2020-2025

GMC

Sierra 3500 HD

Denali

2024-2025

GMC

Sierra 3500 HD

Denali Ultimate

2022-2025

GMC

Sierra 3500 HD

Pro

2020-2025

GMC

Sierra 3500 HD

SLE

2020-2025

GMC

Sierra 3500 HD

SLT

## Details

- **Price:** 206.99 CAD
- **Vendor:** Borla
- **Type:** Connecting Pipes

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 206.99 CAD | In stock |

## Images

- Photo - Primary
- User 9

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/borla-20-22-chevrolet-gmc-silverado-sierra-6-6l-t-304-stainless-steel-extension-pipe-brushed)
> Updated: 2026-06-25