j66

I'm deciding on using a:

1. Mugen exhaust 60.5mm which splits into two 49.5 without using a cat

OR

2. T1R 70mm Dual Exhaust 70mm which splits into two 63mm with high flow cat

i want to know which is a better choice, and which will make more horsepower. of course 70mm with no cat will produce more power, but is too loud without a cat with the 70mm.

if anyone have experienced this, please let me know which is a better route to go with. thank you!

afwfjustin

I think the choice is obvious. Mugen exhaust makes as much sense as someone putting a fork into your eyeball and charging you a couple grand to do it.

m R g S r

you dont need a cat to make it quiet.....70mm with resanator.....

j66

the T1R 70mm have resonator already alone with 2 muffler, and is still very loud, what else do you suggest?

ya@inlinepro

you want power or do you want sound?

you can't really have both...

j66

i know what you mean

but all i want to know is if 60mm with no cat will make more power or 70mm with highflow cat will make more power.

anyone have a logical answer to this? or have tried this?

m R g S r

bigger the exhaust the better.....well for turbo at least...remember the best exhaust is no exhaust (open DP)

but, where the cat would be install a resanator instead....not that hard.....

nalVle

if you have ANY problems with a loud exhaust, you wont want a test pipe setup. not only do you get bigger piping with the 70mm, but you dont get all the downsides of a test pipe (smell, black soot on bumper, attention from cops, illegality, buzzy exhaust sound) - to me the choice is clear
-Chris

j66

i got u, i had the 60 with test pipe, it wasn't loud at all, and now i went to 70mm w/ test pipe, is very loud, but i got the 70mm for a reason, is to make more power then 60mm.

so if i put cat on 70mm and still make more power over 60mm w/test pipe, then i'll go that route for sure. but after hearing what you said, i think i know what i'm gonna do. thanks for the advice =)

m R g S r

you still never listed your setup.... . .