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Author Topic: Exhaust question  (Read 2152 times)

zzuzi

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Exhaust question
« on: August 17, 2010, 06:07:55 PM »
Hello m42 fans!First sorry for my bad english.I have E30 with 318ti engine!I want to make custum exhaust,but i'm not sure about the diameter and should i use resonator befor the rear muffler.The car has chip and K&N air filter.The sound is not important,only the power:D.Thank you for the support.
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jscribble

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Exhaust question
« Reply #1 on: August 17, 2010, 07:21:03 PM »
2.25 inches or 2.5.
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Betty - Sold
Sabine - 2004 325xi

deekay

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Exhaust question
« Reply #2 on: August 17, 2010, 07:21:31 PM »
if you use straight-through muffler/resonator (which you will probably want to for peak power), you're going to want both... i have one of each and my car's still kinda loud. my setup is 2.5" after the cat.
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5-lug'd big-braked torsen'd hardtop'd ITB'd m42 vert
"the e30 colin chapman would have built" ;)
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