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t3/t4 bigger exhaust?

788 Views 6 Replies 5 Participants Last post by  superfly676
Anyone have any thoughts on running a 4" exhaust with the t3/t4 setup?
Will be a full custom with a side exit, after looking closely under my car and taking some measurements I think it may be possible. Would there be any benefits?
I know the Dp couldn't really be any bigger than 3" though maybe 3.5 might just squeeze in there.
Just an idea.......
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Re: t3/t4 bigger exhaust? (FYGTBUG)

I was reading a thread over on dsm talk that was talking about 4 and 5" exhaust systems and they basically somehow they came to the conclusion that it could cause you to actually lose power. A 3" exhaust system is more than enough for a t3/t4...
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