Celica Forums Install Guides and Technical Articles Information and Articles Exhaust Facts And Misunderstandings

i got duel exaust on my celica with the bomex body kit what i did was took a pipe from the cat witch when to a duel out put pipe with 2 exaust pipes on the end

Baas,

You mean like this?

http://www.uitlaten.com/imagess/916.jpg

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Baas,

Bedoel je zoiets?

http://www.uitlaten.com/imagess/916.jpg

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Has anyone used the Magnaflow Cat back Exhaust system. Found it for sell on Ebay.

http://cgi.ebay.com/ebaymotors/ws/eBayIS...404073&rd=1 [cgi.ebay.com]

Yes, but than directly connected to the Stock muffler. Thats why i need to know how the stock muffler look on the onside

The issue isn't back pressure, it's reflected pressure waves. An untuned system will have exhaust pressure waves leaving the combustion chamber reflected back up the pipe and this is not good. A tuned system will have an expansion box positioned at a critical point in the system to act like the outside world, and pressure waves are not then reflected back to the engine. The effect is most efficient at a particular point in the rev range calculated to match the maximum engine power output.

Hope that makes sense.