sound differance--- topspeed pro-1 3" vs. 2.5"

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Jul 24, 2007 | 03:54 PM

FALLEN1z

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From: naperville, il

sound differance--- topspeed pro-1 3" vs. 2.5"

well i ordered a topspeed pro-1 catback in 3" but the order got screwed up and they only got 2.5" in stock. are there any sound differances between the two? loudness? deepness? raspiness? anything?

Jul 24, 2007 | 05:17 PM

japayukiman350z

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From: san diego, ca

not really, i guess 3" flows better. i had a 3" RS*R exhaust and it really sounds good!

Jul 24, 2007 | 07:26 PM

JS04

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From: Shreveport, LA

There hardly any sound difference. I have the topspeed 3inch and I met up with a guy in dallas that had the invidia 2.5. Sounded exactly the same.

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