would an h22 bennifit from a 3 inch exhuast or would it just be over kill???
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Too wide and you'll have a stagnant exhaust flow. The key is to get as much exhaust as possible flowing away from the engine as quickly and smoothly as possible. It's like drinking through a straw. If the straw is too big, you can't get anything easily. If the straw is too small, you'll be able to suck fast, but won't get much. The proper size means you'll be able to get as much as you want quickly and easily.
HOWEVER, 3" isn't necessarily too big. If you have the mods to justify it, it could be good. owequitit has a theory that bigger exhausts could be used if everything is properly planned out... he could go into more detail about that.
2.5" is ideal for the H22, from all that I know.
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I am using the RS*R ExMag system and that is 2.75ID all the way back. Initially there was a drop in low-rpm torque, but u can cure that with a better flowing intake system and maybe a little timing adjustment.
certainly 2.5-2.75 should be alright for a high compression H22. BTW the RS*R ExMag system on a H22 sounds wicked!
DEVOTE
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FS: Lokuputha's Stuff
"It's more fun to drive a slow car fast than it is to drive a fast car slow."-The Smartest Man In The World
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damn i feel left out ..i have my stocky engen..lol the f22a6 ..but yeah i waz planing in redoing my exost fron the head back.. any ideas?
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2.25 elimate cat, and resonator. get a supressor muffler although its still gonna be loudWife: "Why do you get G power platinum and i only get V power?"
Me:"Cause i have the high compression 93 octane only H22 and you have the bullet proof F22."
Wife:........................"But yours are prettier"
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Wife:Baby, not everybody wants to do the 93 conversion"
Me:YES THEY DO, THEY JUST DON'T KNOW IT YET.
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