exhaust size on vortech supercharged LS?
04-02-2003, 03:50 PM
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exhaust size on vortech supercharged LS?
Im posting this for a friend. He has a 99 LS with a vortech supercharger kit. Jun lightened flywheel, exedy clutch, DC ceramic 4-1 headers. He was running stock exhaust. He went and got 2.5 in piping 2 days ago and he swears he lost a ton of power. He wants to know what would be the best size piping to run with his setup. Im not sure How much boost hes running i think it may be 7psi.
04-02-2003, 04:19 PM
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Re: exhaust size on vortech supercharged LS? (civicudesire)
well thats kinda what i was thinkin to. Its just a shaft driven turbo pretty much so i didnt think exhaust diameter would help it spool
04-02-2003, 04:19 PM
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Re: exhaust size on vortech supercharged LS? (civicudesire)
It doesn't have the turbo in the exhaust path so it doesn't follow the same rules. It would be like NA, if you throw a 3" exhaust on then you will lose low end and gain high end... Depends on how he wants to modify the powerband. Higher exhaust velocity = more torque
04-02-2003, 04:20 PM
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Re: exhaust size on vortech supercharged LS? (mskibbz-T)
he said he noticed some more high end but lost ALOT of low end. I dunno if hes just exaggerating about it. I was thinkin 2.25 in would be about right.
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