KLM Performance is proud to announce FREE 2nd Day Air SHIPPING on all H&S Performance XRT Race Tuners and BLACK MAXX Tuners. for 6.7L Cummins.
The H&S Performance XRT Tuner will unlock the true potential of the 6.7L Cummins. XRT Race Tuner offers code free engine operation and dramatic increase in both mileage and power levels.
Keeping with the amazing performance gained with the XRT in the Dodge Rams equipped with the Cummins 6.7L
H&S Performance has released the BLACK MAXX Tuner for the New Ford 6.4L and the New Chevy/GMC vehicles powered with the Duramax. KLM Performance is now offering Free 2nd Day Air Shipping on any BLACK MAXX programmer. KLM performance is also offering FREE SHIPPING on BLACK MAXX programmers and Exhaust Systems for the New Ford 6.4L and the New 6.6L Chevy/GMC vehicles powered with the Duramax LMM. Please check the
www.klmstore.com for more H&S Performance products.
