MBRP S6032304 4" Pro Series Filter-Back Exhaust System Prev Next Installation Manual Free Shipping Over $99 $5 Pricebeat Guarantee PART#S6032304 | SKU MBS6032304 ★★★4.0(1 Reviews) Vehicle Fitment For: 2011-2019 GM 6.6L Duramax LML/L5P (All Crew & Ext. Cabs)| See full application li...