aFe MACH Force-Xp 3 IN to 2-1/2 IN 304 Stainless Steel Cat-Back Exhaust System - Audi 8V S3 SedanConstructed from 3 IN 2 1 2 IN Mandrel Bent 304 Stainless Steel Tubing Quad 2 1 2 IN Diameter Black 304 Stainless Steel Clamp On Exhaust Tips Utilizes Factory Style Hangers for a Secure Fit Includes Factory Style Exhaust Valves (Using Factory Motor, Not Included) 100% MIG Welded for Strength and Durability 3 IN 2 1 2 IN 304 Stainless Steel Construction: This cat back exhaust system is constructed of 3 IN 2 1 2 IN mandrel bent 304 stainless steel

The Bayonet tip holds the hanger bushing in place for an OE style fit that does not change with time

Mk4 GLi / 337 GLI 1

Cap Retention Style - Through-Bolt

Optimized Design for Maximum Performance:Unitronic specifically developed its air intake system to provide increased air velocity

washers and nuts)

B5  A4-S4-RS4

3mm to 6x132mm

In order to create an OEM+ product

each file is created specifically for the car which it is being written to

Reverse Drop Center

This EARLY model also includes the late 2000 and up OEM base to upgrade you to the better more robust design

26") - thicker