MBRP 4" Cat Back Exhaust - Stainless GM 2006-2007

MBRP's 4" Cat Back XP Series Exhaust System for your 2006-2007 GMC Chevy Duramax 6.6L LBZ diesel pickup. Made from 16 gauge T409 stainless steel (which lasts longer than aluminized exhaust), this kit comes with a T304 polished stainless muffler and exhaust tip.