STILLEN 370Z Dual Cat-Back Stainless Exhaust System

spiderman · 02-28-2009, 09:15 AM

Quote:

Originally Posted by semtex

Yep, it's free shipping. I know this because I placed my order on Thursday. I've also got the Berk HFCs on the way. Both should arrive by next Thursday. I can't wait!

exuse me for being retarded semtex, as this is new to me. Can you please explain the difference between the Stillen exhaust and the need to put HFC's with it. I thought the Stillen is a full bolt on so there is no need for HFC's??? I'm looking to replace the stock exhaust when my Z comes in and thought putting the Stillen on (instead of the Nismo) would be all I needed to do. I'm just looking for some better sound, if bhp comes too, all the better. I'd appreciated some education here ... thanks!

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