S5/A5 2007- 3.0/4.2L Cat back system Q300tl
Cat back system Q300tl Cat back system Q300tl, the newest in the line up of high performance exhaust systems by Invidia. ECE/ABE approved, so road legal!
Suitable to the following applications;
year 2007 - 2013
*Sports back ( does require some modification )
Both 3.0L V6 TFsi and 4.2L V8 Fsi