RussellB

I just feel like i would be able to free up back pressure. I also would like to see if my exhaust would be louder without having to buy a new catback just to hear the beautiful brap of my rotary. Has anybody done it? If so any power gains or any louder than before? Thank you!

zachmlewis

I have an N/A FC with rb headers and presilencer and a corksport cat back. I know the turbo models are a lot quieter than the N/As since you've got a turbo absorbing a lot of the noise, but IMO, unless you only drive on the track or you live somewhere where the cops dn't give a **** (I'm guessing wherever you are in California is not that kind of place) I recommend leaving that presilencer there. It really doesn't add that much more back pressure/restriction anyways and a certain level of back pressure is important. On the 6 port engines, our 5th and 6th intake ports won't work without enough back pressure. I had to wire mine open because of that, which lost me a bunch of low end torque. My car is also STUPID loud. My dad has a straight piped Harley and my car is much louder than that. I have t keep it under 4 grand in town or it will rattle peoples windows as I drive by.

I know the turbo motors are a lot different and much quieter, but I personally don't see any gains from removing it other than being obnoxiously loud.

RussellB

Thanks for the imput man. Yea I know the about the 5 and 6th ports when I was na, but I wanted to see how it would sound since Im running a 4 port turbo 13b. I just bit the bullet and removed it. Tbh, I had very little sound differences lol

zachmlewis

Wow. On my na it made a pretty noticeable difference. I know the turbos are quieter, but exactly how much quieter are they? I've only ever heard one in person that had a stock exhaust

RussellB

Im not too sure about anybody elses, but my var with the full rev t2 racing beat exhaust is as quiet as a stock na fc. Well, maybe a little bit louder. It does have a deeper throatier growl to it than an na

zachmlewis

Wow, I always knew they were quieter, but I didn't know they were THAT much quieter.

RussellB

Right? Thats why its killing me!! Expecially because I have a half bridgeport that I can barely hear lmoa. I think racing beat is just that good haha

zachmlewis

Yeah, my car is almost completely stock outside of my exhaust, a cold air intake, and an s5 intake mani (also deleted the AC, emissions/air pump, and the omp) and it is ridiculous how loud it is. I have to putt around like a granny anywhere in town and even then it is still loud! I get pulled over and told I can't have my 'racecar' on the road all the time. Granted I'm sure if I had a y pipe exhaust and mufflers it wouldn't be so bad.

Have you thought of getting a single exhaust with just a resonator on the end instead of mufflers? Like the Apexi or Corksport? You can probably find a Corksport cat-back for like $250...

RussellB

Thats actuall ywhat Ive been looking for around that price, but everybody keeps overpricing them! Ive actaully been dying to get my hands on the greddy power extreme catback

zachmlewis

I saw one of the Gredyy's online a couple days ago. Can't remember the price, but they only had a couple in stock and they said it was the very last of them... just tried a google search for it and can't find it anywhere. Are catback systems the same for NA and turbo motors? if they are, I could ship you mine when I find an rb system to replace it with. Its not in the best condition but I'd give it to you cheap!

RussellB

What exhaust do you have??:0 I think I saw that post too lol. Was it on rx7.com?

zachmlewis

I have the corksport!
And yeah it was I think!!

zachmlewis

Yeah I did see it on rx7.com. They still have them on there! $900 is steep but probably so worth it. I've heard they sound so nice

RussellB

Damn, I guess they're all out right now. You cant check out with them😭.

zachmlewis

Bummer