Hi to all sifus, In some mod magazine i read they use cat-back exhaust. What is it? What is the difference between the cat-back and normal exhaust system?
Any1 interested?!?!?! We can do it once a week during weekdays at night......if we get enuf ppl then we can start....the fees is around RM50/month in USJ 21 new badminton courts....heard it is a big 1 with around 20...
Was wondering any is there any HKS users here...... How is the performance of this piggy back system compared 2 other piggyback systems..... i know some1 is goin 2 tell me the piggyback tuning is good as the tuner...