Exhaust system upgrade question
#1
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Exhaust system upgrade question
Here's my plan for my exhaust system so far - simply replace everything behind the manifold with 2 1/4" pipes, no resonator, and a turbo exhaust - no headers. My question concerning this setup is what happens at the manifold if you upsize your pipes to 2 1/4"? Doesn't the stock manifold create a restriction thereby defeating the purpose of upsizing the pipe?
#4
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Re: Exhaust system upgrade question
While the stock manifold may be a restriction, any "opening up" downstream will be an improvement. I have a 2.5 inch exhaust system with no resonator and it sure doesn't sound "tinny". My suggestion is to go with what you have planned and see if it sounds the way you like - you can always add a resonator just downstream of the headers if you feel it will help.
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