i live in cheras too...might be going to have a look for the design or advise..
btw, just want to know before i go there...
1.wat is the material in used?
2.izzit legally?
3.address/location of your shop!!rougly nearby which trademark (ex.McD,Giant,Carrefour,Bank,Petrol station)..cause not so sure on the addres even u tel me..
before this my car is running 0.8 bar boost, and in gear 3, at 4000 rpm, the car will jerk for about 3-5 second before continue to blast. Then I switch back to stock boost controller, running...