Dear All sifus,my car is a PROTON persona 1.6 auto iafm,recently my car lost top speed,when i reach until 140/km then after that will take some time to go 150 and above,do you know what is the prob?pick up is very good and easy to climb until 140/km,but after that slow dy,any solution?below are the mods i have done to my car -
1.4-2-1 extractor / center bullet / s-flow muffer
2.light weight crank pulley
3.drop in air filter
4.CAI
5.15 inch sport rim
before when the car still standard with rim besi,i tried reaching 180 - 190/km,but now cannot dy,also i am planning to re-do my whole exhaust system from header to muffer using hotbits,any opinion?will it be better than my current set up?is it worth to invest on a hotbits full exhaust system?
1.4-2-1 extractor / center bullet / s-flow muffer
2.light weight crank pulley
3.drop in air filter
4.CAI
5.15 inch sport rim
before when the car still standard with rim besi,i tried reaching 180 - 190/km,but now cannot dy,also i am planning to re-do my whole exhaust system from header to muffer using hotbits,any opinion?will it be better than my current set up?is it worth to invest on a hotbits full exhaust system?
