i just bought a obx twin loop muffler because i have a really loud exhaust i thought it was because of the can i had on it now .today i was working on the car and realized when the dude sold me the car it has a test pipe i havent installed the muffler yet, do you think the twin loop will make it more quieter cause i dont have the funds right now for the cat

 

It may make it quieter, but if you want the least amount of noise, I would get that Cat! I may be wrong, but wouldn't a CEL come up ifa test pipe was installed? Not sure though. Put the twin loop on and see what you think first. Then, go from there.
Good Luck!

 

not if the car is from 1995 or earlier (OBD0 or OBD1)
he has a 1994 EX


Anyway, buy a catalytic converter. Magnaflow High-Flow Direct Fit. ~$100.
I have one and it's great.
http://store.summitracing.com/partde...5&autoview=sku