NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   -   Exhuast System For Ported Motor (https://www.nopistons.com/3rd-generation-specific-18/exhuast-system-ported-motor-42327/)

gcthree 01-03-2005 08:17 PM


Originally Posted by Dont_Be_A_Rikki' date='Dec 30 2004, 06:12 AM
You can listen to anyone you want but I have broken a motor running with a MP. Trust me it will break your **** especially when it's cold, i.e. 40 degrees and lower. When it is warm it is no big deal to control boost. 70 and above. Racing beats exhaust is restrictive as hell but sounds good.




Why do people feel the Racing Beat exhaust is so restrictive? Any proof/tests/documents on that? Of course, I have a single outlet on my car, and I want to understand if it is a problem with these exhausts.


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