change ur muffler to the tabung ones but straight flow inside not s-flow tabung....nothing much on the mid box....

friend using 4-1 no prob..but he is using center bullet and straight flow tabung behind...

ur s-flow can sell to auto car users

keep your 4-1....ur tabung behind use straight flow...not straight flow bullet ah beng lalachai sound...but the box type...your cps is for high end....when ur lift kicks n n goes all the way to (dono exact rpm cps can reach)rpm u will feel the pull.....dont restrict yourself with 4-2-1....but the choice is up to u ultimately....

i drove his car no problem...fuel consumption better than standard car with the additional power (but he has done intake mod already airbox filter etc)

maybe u can meet my friend and have a look at his car one of these days......pm me ur contact when we yc can call u along =)

he is using bullet...no swirl inside just straight.....his sound is not pariah/ahbeng....and low rpm no sound only when tekan

brader auto or manual? sounds like auto...if auto u need S-flow muffler

u can stick to the 4-1 but change to sflow muffler or change to 4-2-1 as mentioned above....either way u need to change 1 lol

u dont need to add another bullet the result will be the same

if your car is manual u should benefit from the less restriction and rev that bugger

use bullet type.....but u should be using 4-2-1 if ur auto tho


look inside u can see there is no wire mesh or the sound is like tong kosong ala rempit