BMW F20/F21 M135i (Non X-Drive) - Cat-Back Exhaust System with Race Rear Silencer & Ceramic Black Tips Audi > A4 > 1.8T B6 quattro Saloon - Avant 190BHP (6 speed) > 2003 to 2005 These high-performance sealing compounds have

These high-performance sealing compounds have proven their worth in professional and do-it-yourself applications

The tonal changes are felt throughout all rev ranges under load

and even a few bonus horsepower

5mm) pipework

This new exhaust is precision TIG-welded from T304 stainless steel and is fitted with valves that integrate with the vehicles factory configurations

BMW F20/F21 M135i (Non X-Drive) - Cat-Back Exhaust System with Race Rear Silencer & Ceramic Black Tips Audi > A4 > 1.8T B6 quattro Saloon - Avant 190BHP (6 speed) > 2003 to 2005 These high-performance sealing compounds haveOur range of Cat Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system, available in multiple configurations enabling the owner to choose the increase in volume of their exhaust and or add a more suitably aggressive tone. All our products are made from 304L Aircraft Grade stainless steel. This quality material will ensure that your Cat Back system