BMW X3 G01/X4 G02 S58 LCI - Primary Cat-Back System with Carbon Fibre Trims Audi > S4 > 2.7T quattro B5 > 1997 to 2001 500rpm test: 89

500rpm test: 89

The resonated cat back system offers the subtlest upgrade offering an increase of 10db over the standard system in the 4

4dB) - Static 4

Suitable for 5 hours test bed running or 500mls/800kms on road

We recommend checking your cam follower:

BMW X3 G01/X4 G02 S58 LCI - Primary Cat-Back System with Carbon Fibre Trims Audi > S4 > 2.7T quattro B5 > 1997 to 2001 500rpm test: 89Our 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