NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   -   Exhaust W/ No Muffler (https://www.nopistons.com/2nd-generation-specific-17/exhaust-w-no-muffler-38959/)

dac 05-16-2004 08:57 AM

I finally cranked over my motor yesterday.



(After I realized I forgot to connect the Turbo Drain pipe (what a MESS). After I zeroed my timing I finally got it started.



I haven't got a downpipe connected... but I was very surprised that it wasn't very loud. I used to run my Supra Turbo with just a Downpipe, no mufflers and it was streetable.



Question: Anyone else doing that with a Turbo Rotary Motor?



I'd like to dump the exhaust right in behind the front wheel on the passenger side.



For comparison sake... I had started a N/A Rotary with no mufflers and YES it was LOUD.

FikseRxSeven 05-16-2004 08:58 AM

you sir...... are deaf

dac 05-16-2004 10:38 AM

No seriously... I have heard HONDA's that are louder than that... with their fat FART Cans hanging out the back.

j9fd3s 05-16-2004 11:11 AM

i drove my 20b to the muffler shop and back twice with no exhaust. it really was way too loud but it sounded so good!

ambassador_josh 05-16-2004 01:15 PM

the turbo muffles it somewhat

Lionheart240 05-16-2004 06:38 PM

no back-pressure at all on that turbo rotary = bad

roadkill669 05-17-2004 09:17 PM

When I took the cats off of my stock setup, I listned to it without the DP and it is no where close to how it is now. I can understand it not being that loud. My car is louder with mufflers now than with no DP with the stock turbo.



And also, are you trying to get attention from the cops or what....

j9fd3s 05-18-2004 12:48 AM


Originally Posted by Lionheart240' date='May 16 2004, 03:38 PM
no back-pressure at all on that turbo rotary = bad

no, back pressure bad

BigTurbo74 05-18-2004 12:53 AM

how would a dp and a rb presilencer sound by itself?


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