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weight savings of full exhaust

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Old 01-18-2011, 12:12 PM
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Default weight savings of full exhaust

im gathering information that a light cat back exhaust can save you about 40lbs and a aftermarket header about 15lbs. so 55-60 total not bad??
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Old 01-18-2011, 12:18 PM
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Old 01-18-2011, 12:26 PM
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what??
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Old 01-18-2011, 12:42 PM
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Seeing as the entire cat back only weighs 40lbs, I cant see ever saving that amount of weight... what were you planning, side pipe off the header?
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Old 01-18-2011, 12:47 PM
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I read that the OEM exhaust is about 58lbs, so getting a single exhaust will save a quite a bit of weight. I can't remember how much the OEM cat weighs, don't quote me on this but I think it was about 18lbs when I shipped mine. My test pipe weighs less than 5. I know the OEM header feels like a darn brick, and I don't know how much it weighs but my aftermarket one is like 3 times lighter.
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Old 01-18-2011, 12:51 PM
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Okay well I was close. Here is a thread with the weights of the stock exhaust, cat, and header, as well as a ton of aftermarket ones.

https://www.s2ki.com/forums/index.ph...ic=331455&st=0
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Old 01-18-2011, 12:57 PM
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Why do you need to cut weight?
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Old 01-18-2011, 01:00 PM
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Originally Posted by -Jordan-,Jan 18 2011, 09:42 PM
what were you planning, side pipe off the header?
haha
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Old 01-18-2011, 01:24 PM
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Less weight is always good.

I'm guessing by going with a lighter exhaust system, as well as losing the tools and spare tire, you can improve handling by lowering the polar moment of inertia.

Any feedback from you auto-x guys?
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Old 01-18-2011, 01:34 PM
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Originally Posted by mister x,Jan 18 2011, 02:24 PM
Less weight is always good.

I'm guessing by going with a lighter exhaust system, as well as losing the tools and spare tire, you can improve handling by lowering the polar moment of inertia.

Any feedback from you auto-x guys?
yeah but you should be careful about not ruining the car's balance by taking more weight off your rears
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