so ive asked for a 4" exhaust for my 07 lbz for my upcoming bday.:laughing: but not really sure which direction i should go with? I'm highly considering the MBRP but does anyone else care to chime in with what theyre running??
I'll be going with a 4" MBRP turbo back this winter when I do some more mods on my Duramax. Not too aggressive on the sound, but they still sound good when you get on it.
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