Audi S4 B9 Sport Diff without Brace Bars - Resonated Cat Back with Polished Trims Part_Quad Exit Conversion

Audi S4 B9 Sport Diff without Brace Bars - Resonated Cat Back with Polished Trims Part_Quad Exit ConversionOur 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

our Research and Development department have produced a system

That means it is much smoother in operation

The resonator delete pipe is manufactured with CNC mandrel bent T304 stainless steel pipework with a bore size of 2

But without proper oil flow from a quality oil pump

5db increase in sound levels when idle

8mm pipework and fit from the catalytic converter section backwards (Cat-back) these exhausts replace the centre and rear sections

8T vehicles with the bolt down coilpacks

The range topping M340i follows the traditional BMW formula

(Requires 2 x BMW gasket - part number 18307851168 - not included)

This BMW M340i performance exhaust is made in 3

Reduced heat production

Quad Exit Non-Resonated Cat Back Test Results: