Whistle Diesel 2011-2015 DURAMAX LML 4'' DELETE PIPE

Whistle Diesel 2011-2015 Duramax 4" Delete Pipe made from 409 Stainless steel

NOTE (if you have a 3 flange bolt GO TO 2015.5-2016 exhaust)

This product is intended strictly for off-road and racing applications. It is not approved for use on public streets or highways. Proper installation and use require additional aftermarket tuning and modifications. The manufacturer and distributors assume no liability for any damage, injury, or legal issues arising from incorrect installation or misuse of this product. Use is at the user's own risk.