Pay in 4 interest-free payments of $12.00 Learn more
Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
7L 4" Downpipe Back Exhaust No Muffler (421013)
7L 5" Turbo Back Single No Muffler (511005 / 512005)
Eliminates steering wander and wobble caused by excessive shaft play in the steering box of late-model Dodge trucks
Enjoy a noticeable boost in performance
Machined from OE castings (retaining the steel top ring insert) giving the same driveability and longevity of an OE piston with additional strength through industry leading design technology
1994-2002 Cummins 5.9L Boost Elbow (1040310) Stock 7L 4" Downpipe Back ExhaustAn inexpensive way to increase boost is with the BD 1040310 Boost Elbow. This is an easy install and is pre set calibrated to provide 50% more turbo boost on the initial acceleration. Due to the increase of a constantly higher boost level, it is recommended that a performance air filter be installed in the vehicle to accommodate the extra flow.