2006 GS 300 Exhaust Diameter

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10-02-12, 10:21 AM

LelloLexus

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2006 GS 300 Exhaust Diameter

I am planning on tweaking with my stock exhaust some..I was wondering if anybody knows the inner diameter of our stock cat-back assemblies...more specifically, before the secondary cats/resonators (just incase the ID changes at all)

Thanks

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10-02-12, 11:21 AM

Boron

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According to Invidia, our pipework is 2.25" diameter.
Internal is never used, which makes me think there must be a generic wall thickness all exhausts use as standard - both OE and 3rd party.
What are you planning?

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10-03-12, 03:25 AM

WernerB

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2.25 inch is correct

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10-04-12, 08:14 PM

LelloLexus

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Quote:

Originally Posted by Boron

I plan on installing two cutouts or deleting two cats and resonators. I have to deal with city cops and they pulled me over for suspension/exhaust/tint/no front tag in my RSX..so I'm trying to have the Lexus loud when I want her to be..but quiet when I need her to be

That's also why I plan on running bags