Hey guys,
My knowledge on exhaust systems is limited, up until now ive only had middle section and back box done on my other cars, now having a GTI....
Can someone explain why having the DP and Pre-Cat added / removed makes such a difference and where on the list of mods it should come. ie
1.)Remap
2.) .........
3.)Intake
4.) suspension & Brakes................etc
Any help would be great. Mainly to do with the DP and Pre-Cat
Thanks Guys