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Full Version: how thick can we make our cat back exhaust????
6G Celicas Forums > 6th Generation Celica > Engine/Transmission/Maintenance
AndreyC
i was thinking of making a custom made exhaust for my 95 gt,but i dont know hot thinck should i make it ( 2.5 or 2.25 or 2 inches???? can any one tell me????
LeonStryfe
2.25 or 2.5

Depends also on the inlet of your muffler

Magnaflow RS have 2.25 inlets (many)

apexi N1 has 2.5

2.5 - 3.0 inches if ur going turbo. But 2.5 is still ok for a GT personally I would stick with 2.25
Jaws4God
I did my exhaust in 2.25.. sounds/runs great
AndreyC
QUOTE(Jaws4God @ May 31, 2007 - 2:08 PM) [snapback]563338[/snapback]

I did my exhaust in 2.25.. sounds/runs great

did you get any horsepower after you did that???
GTSOwner
5-6 whp mayyyyybe
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