RB exhaust options

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Jan 2, 2013 | 12:45 PM

#26

j9fd3s

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From: https://www2.mazda.com/en/100th/

Quote:

Originally Posted by Qingdao

Performance drop in the larger size? I'm just gonna make my own duel exhuast*, and not buy the full RB (cause I took a better look at my budget LOL).

* I'm gonna buy new mufflers and pipes as apposed to whatever I could find in my buddy's yard.

yep! too big is too big. velocity drops off in the lower RPM ranges, and it flows more, but the rest of the engine doesn't, so you won't gain much up top.