mwpayne

My newly acquired '85 has a straight pipe w/ muffler. Its LOUD. Any way to quieten it down without sacrificeing lots of $$ and performance? I want it to sound sporty, but not like the diesel it does now. Got a local mufffler shop, do I trust their advise?

ghetto-rx7

stuff some sox or somtin in the muffeler

ghetto-rx7

or dont take my advise

theNeanderthol

iTrader: (1)

some people have gutted a glasspack and refilled it with stainless steel with good success. You could also get a presilencer from racingbeat or elsewhere moroso muffler have an interesting concept. Ive never heard one though. I think they sell them at www.summitracing.com

SilverRocket

One word - Primaflow

yayarx7

I would say put a presilencer or something like Neanderthol says into the system.

Do not trust a muffler shop for advice unless they have a good deal of experience with rotaries. But an exhaust is an exhaust when it comes down to it for building or fixing it. Am I making any sense here???

DONNA

when i got mine it had no cat conv, but did have two presilencers and a midas muffler, the receipt in the glove box showed that it has a lifetime warrenty,and its not loud at all,,,cant make out the cost but the warrenty is worth trying,,,good luck..

jeremy

iTrader: (1)

yeh, i would invest in a presilencer.

85RX7GS

iTrader: (1)

Are cars in TN inspected? If so, I'd suggest a high-flow cat-back system. That's what I'm going to do because NJ smog would be hard to pass without a cat.

Directfreak

iTrader: (2)

By far the best advice so far. I had one on my Streetported SE with Headers and a straight pipe going to the muffler. I beleive they are also known as "Power-Pulse"

It sounded almost a quiet as stock, deeper sound throughout, looked stock, and an improvement over stock.

It doesn't have that "weed-eater" noise either.

Racing Beat Power Pulse

Project84

When I lived in NJ, a high flow Cat and a turbo muffler did the trick. NJ smog is tough.

Rotary engine exhaust is a lot hotter than piston engines. Do like these guys said, or go to someone who knows what to put on a rotary engine. Also, if you buy something that lets you pass emissions test, take it off and keep it in the garage or something until next year. Then you can run open headers out the wheel wells with flames coming out the pipes

hanman

RB presilencer, if it needs to be quieter after that, then get a prima flow.
hanman

Defprun

Give everyone earplugs.

MIKE-P-28

iTrader: (1)

My 85 was exactly like that, and it wasnt loud at all. Actually it was quiet.. Sure it doesnt have headers and straight pipe? Now that would be loud !