Ashventini
New Member
About £6k - £8k im guessing. I looked at them for my RS7. Expensive for the gains, but very very nice products if you can afford it. Weigh isnt important on 1800kg cars tbh though.
This doesnt address the front end restriction. Id rather go for 200 cell primary cats, with straight pipes, keeping resonator and standard rear boxes (which arent bad anyway). Gains are on the front end vs cat back.