2.5 exhaust system

[CTR_EK9]

Hey guys,

Planning to put on a 2.5 catback system on ek1 running B18c motor with jdm 4-1 header and a 3 inch tip, will i lose or gain in power?

cheers

[EG5]

2.5 inch is good for it

[fatboyz39]

2.5' is a good size for it.

[CTR_EK9]

thanks 4 the quick respond guys

[kriZy]

Yeah 2.5" is good for it
don't go lower than that.