LT1 4" Mufflex For Sale

04-02-2008, 07:30 PM

FormerVendor

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LT1 4" Mufflex For Sale

I have a used 4" Mufflex catback + y-pipe from a LT1 car that has the spintech muffler. $350

04-03-2008, 12:30 PM

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damn! i just installed my magnaflow catback.
LT1's with 4" pipe and spintech muffler sound's nasty.