Brexhaust

BRExhaust Direct-Fit Cat-Back Exhaust System Kit for 2004-2005 Audi A4 Quattro 1.8L

Name: BRExhaust Direct-Fit Cat-Back Exhaust System Kit for 2004-2005 Audi A4 Quattro 1.8L
Brand: Brexhaust

MPN: 106-0317

Set your vehicle to confirm fitment — see full vehicle fitment

From $1,149.00

Where to buy

FCP Euro$1,149.00
In Stock
Free shipping over $49Price not confirmed · listed Aug 30, 2026View (opens FCP Euro in a new tab)

Overview

Medium install

Complete OEM-equivalent cat-back exhaust system for 2004-2005 Audi A4 Quattro (1.8L L4 AMB). Features precision mandrel-bent aluminized steel pipes for superior flow, multi-piece bolt-on design requiring no welding, and includes all gaskets, clamps, and hangers. Engineered to OEM specifications (8E0-253-301-CA, 8E0-253-301-DS, 8E0-253-409-AB, 8E0-253-609-DF/FF/KC/KD) with 2-year warranty.

Specifications

Type: Cat-Back
Tip Style: OEM-equivalent

Vehicle Fitment
10 configurations

Audi A4 1.8TLikely fits — confirm with retailer(B6)
AMB
2002–2005
Audi A4 1.8TLikely fits — confirm with retailer(B6)— Quattro
AMB
2002–2005
Audi A4 1.8TLikely fits — confirm with retailer(B6)— Avant
AMB
2002–2005
Audi A4 2.0TLikely fits — confirm with retailer(B7)
BPG
2005
Audi A4 2.0TLikely fits — confirm with retailer(B7)— Avant
BPG
2005
Audi A4 2.0TLikely fits — confirm with retailer(B7)— Quattro
BPG
2005
Audi A4 3.0Likely fits — confirm with retailer(B6)
AVK
2002–2005
Audi A4 3.0Likely fits — confirm with retailer(B6)— Quattro
AVK
2002–2005
Audi A4 3.0Likely fits — confirm with retailer(B6)— Avant
AVK
2002–2005
Audi S4Likely fits — confirm with retailer(B6)
BBK
2004–2005

Installation summary

This medium-difficulty cat-back exhaust installation for the 2004-2005 Audi A4 Quattro 1.8L is manageable for DIY enthusiasts with solid garage experience working with multi-piece exhaust assemblies. Preparation requires soaking all old fasteners in penetrating oil prior to removal, along with allowing the new exhaust tips to cool completely before performing final torque adjustments on the clamps. During the two-hour installation, pay close attention to maintaining adequate clearance around the underbody heat shields and ensure delicate oxygen sensors are handled carefully to avoid wiring damage.

AI-generated overview — always verify against the official install instructions.

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