NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   2nd Generation Specific (https://www.nopistons.com/2nd-generation-specific-17/)
-   -   Apex'i Gt Racing Exhaust - 86-91 (https://www.nopistons.com/2nd-generation-specific-17/apexi-gt-racing-exhaust-86-91-a-41340/)

Jing Bad Guy 06-30-2004 06:41 PM

Hey...anyone know if this exhaust will work well for my N/A rx7?

j9fd3s 06-30-2004 08:12 PM

i think its 3.5" piping, its HUGE

13BAce 06-30-2004 08:39 PM


Originally Posted by Jing Bad Guy' date='Jun 30 2004, 03:41 PM
Hey...anyone know if this exhaust will work well for my N/A rx7?

It will be VERY loud, even with a converter, but you should notice a little boost in power. The biggest gains would come if you remove all of the converters.

cps87rx7se 06-30-2004 09:47 PM

3.5 in. is too big for an N/A. You would have no backpressure to keep the motor going. On an N/A, the biggest you should go is 2.5 or 2.75 in.

rowtareh 06-30-2004 10:12 PM

racing beat just released a cat back for the N/A's. It looks really nice.



http://www.racingbeat.com/FRmazda2.htm



I will probably end up by this exhaust system when the time comes.

BigTurbo74 07-01-2004 01:21 AM


Originally Posted by cps87rx7se' date='Jun 30 2004, 08:47 PM
3.5 in. is too big for an N/A. You would have no backpressure to keep the motor going. On an N/A, the biggest you should go is 2.5 or 2.75 in.

not trying to be offensive, but do a search on the word backpressure here. you will learn some cool stuff. https://www.nopistons.com/forums/pub...DIR#>/wink.png

Jing Bad Guy 07-01-2004 10:56 AM

Hmm...thanks for in input guys. The reason I even asked is cause I noticed that at one site they said it was for a turbo and on another it said any 86-91 would work.

This friday I'm getting the car smoged then we're removing all the converter and vacume crap...then installing the custome header (racing beat knockoff) then going with the 92-96 prelude cold air intake systew with an A'pex'i filter then followed by this exhaust system We're talking about.

I'm hoping it's not TOO loud...but just loud enough to hear me coming from a distance. Last think I want it to get pulled over and get a ticket for the mod.

If this all works, I'll let you know.

phinsup 07-01-2004 11:17 AM


Originally Posted by Jing Bad Guy' date='Jul 1 2004, 08:56 AM
Hmm...thanks for in input guys. The reason I even asked is cause I noticed that at one site they said it was for a turbo and on another it said any 86-91 would work.

This friday I'm getting the car smoged then we're removing all the converter and vacume crap...then installing the custome header (racing beat knockoff) then going with the 92-96 prelude cold air intake systew with an A'pex'i filter then followed by this exhaust system We're talking about.

I'm hoping it's not TOO loud...but just loud enough to hear me coming from a distance. Last think I want it to get pulled over and get a ticket for the mod.

If this all works, I'll let you know.

It will fit, but the GT spec is INSANELY loud you better have a really good stereo.

j9fd3s 07-01-2004 11:19 AM


Originally Posted by Jing Bad Guy' date='Jul 1 2004, 07:56 AM
Hmm...thanks for in input guys. The reason I even asked is cause I noticed that at one site they said it was for a turbo and on another it said any 86-91 would work.

This friday I'm getting the car smoged then we're removing all the converter and vacume crap...then installing the custome header (racing beat knockoff) then going with the 92-96 prelude cold air intake systew with an A'pex'i filter then followed by this exhaust system We're talking about.

I'm hoping it's not TOO loud...but just loud enough to hear me coming from a distance. Last think I want it to get pulled over and get a ticket for the mod.

If this all works, I'll let you know.

any fc cat back will fit

Jing Bad Guy 07-01-2004 11:19 AM


Originally Posted by phinsup' date='Jul 1 2004, 08:17 AM
It will fit, but the GT spec is INSANELY loud you better have a really good stereo.



Hahaha. Yeah...I was thinking the exact same think.


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