Exhaust Piping.....size???
I plan on having custom exhaust piping made for my 99 protege ES 1.8L as a cat-back set-up. I have noticed that most people seem to have listed 2.25" as their size of piping. Is this the biggest I can go? I haven't measured, but how big is that compared to the stock piping? Can it be any bigger? Or is bigger bad? What?
THANKS -James |
Re: Exhaust Piping.....size???
Originally posted by Protege1.8L I plan on having custom exhaust piping made for my 99 protege ES 1.8L as a cat-back set-up. I have noticed that most people seem to have listed 2.25" as their size of piping. Is this the biggest I can go? I haven't measured, but how big is that compared to the stock piping? Can it be any bigger? Or is bigger bad? What? THANKS -James There is no reason to go bigger than 2" on a street driven car (unless you are planning to go turbo near-term), although for drag racers, the extra flow will help a little. Your butt-dyno may tell you that a 2.25" makes the car more powerful, but that is likely due to greater noise. Of course, YMMV.:) |
:laugh: Butt-dyno. You sleigh me.
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Anything larger than 2.25" is overkill on an N/A motor that only revs to 6800 rpm. Larger pipe will just make more noise and kill torque; in order to see more power from 2.5" or larger pipe, the engine would need to rev a lot higher than the ECU will let it. :D
BTW I assume your car does not have a turbo. If it does, you want BIG pipe- 2.5" at least, 3"+ preferably. |
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