40 Series - 2.50" IN(D)/OUT(D) - Aggressive Sound black tie down the cooler using

tie down the cooler using four durable tie-down straps (included) if heading off-road

This product is compatible with trucks equipped with an S and S Diesel Motorsport DCR conversion kit or the S&S Diesel Motorsport CP4 Disaster Prevention Kit

Thread-In Soft Plugs - Eliminates failure-prone factory soft plugs for enhanced longevity

50 State Legal EO/CARB D-541-18 Price includes applicable core fee

A set of lifted

40 Series - 2.50" IN(D)/OUT(D) - Aggressive Sound black tie down the cooler usingThe Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.