want to know would a EX CB7 muffler on 2.25 piping and stock cat make a gain in hp.
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any gain in hp.
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the exhaust system is only as free flowing as the smallest bottleneck. the 2.25" piping with the narrow stock muffler will possibly cause you to actually lose power due to increased turbulence in the system. it's possible that you'll gain power somewhere, but unlikely. if you go with bigger piping get a bigger muffler. if you want a stock muffler your better off with stock piping.
do some research on the rsx type s exhaust system. thats a popular oem muffler that people use for some performance gains. if the rsx exhaust system is wider than ours then you can go that size and it'll probably work well.
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if you want quiet performance look into the apexi world sport 2. its a great system. not the cheapest but not unreasonable. great quality and sound. not loud at all. it tends to hang really low though so if you want to slam your car and still expect to crawl over speed bumps and driveways you might have an issue! thats my only beef with it. the sound and performance are amazing.
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Originally posted by Jonas View Postthe exhaust system is only as free flowing as the smallest bottleneck. the 2.25" piping with the narrow stock muffler will possibly cause you to actually lose power due to increased turbulence in the system. it's possible that you'll gain power somewhere, but unlikely. if you go with bigger piping get a bigger muffler. if you want a stock muffler your better off with stock piping.
do some research on the rsx type s exhaust system. thats a popular oem muffler that people use for some performance gains. if the rsx exhaust system is wider than ours then you can go that size and it'll probably work well.
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Originally posted by Jonas View Posta 2" pipe with a 1" bottleneck will see lots of turbulence. youll get greater exhaust velocity from smaller piping of a consistent size than a larger pipe with a bottleneck.
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