# Wehrli 11-15 Chevrolet 6.6L LML Duramax 3in Down Pipe (V-Band Style)

Replace the restrictive crushed factory down pipe with this full 3" down pipe. For use with factory turbo or factory style drop in turbo. 2015.5 and newer LML have a 3 bolt flange exhaust system, this down pipe will only work if you use a 2011-2014 style exhaust system with v-band connection. Or you can use our 3 Bolt Flange Stainless Down pipe PN: WCF100705

-   Black Ceramic Coating
-   Heat Wrap and clamps
-   3" Down Pipe

This Part Fits:

Year

Make

Model

Submodel

2015

Chevrolet

Silverado 2500 HD

High Country

2011-2015

Chevrolet

Silverado 2500 HD

LT

2011-2015

Chevrolet

Silverado 2500 HD

LTZ

2011-2015

Chevrolet

Silverado 2500 HD

WT

2015

Chevrolet

Silverado 3500 HD

High Country

2011-2015

Chevrolet

Silverado 3500 HD

LT

2011-2015

Chevrolet

Silverado 3500 HD

LTZ

2011-2015

Chevrolet

Silverado 3500 HD

WT

2015

GMC

Sierra 2500 HD

Base

2011-2015

GMC

Sierra 2500 HD

Denali

2011-2015

GMC

Sierra 2500 HD

SLE

2011-2015

GMC

Sierra 2500 HD

SLT

2011-2014

GMC

Sierra 2500 HD

WT

2015

GMC

Sierra 3500 HD

Base

2011-2015

GMC

Sierra 3500 HD

Denali

2011-2015

GMC

Sierra 3500 HD

SLE

2011-2015

GMC

Sierra 3500 HD

SLT

2011-2014

GMC

Sierra 3500 HD

WT

## Details

- **Price:** 346.29 CAD
- **Vendor:** Wehrli
- **Type:** Downpipes

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 346.29 CAD | In stock |

## Images

- Photo - Primary
- User 1
- User 1
- User 1
- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/wehrli-11-15-chevrolet-6-6l-lml-duramax-3in-down-pipe-v-band-style)
> Updated: 2026-07-03