This fits 07.5 to 2010 duramax lmm. Hp increase 60 ,120,and 175. This programmer will roll the coal. I am buying a new truck there fore the only reason I am selling. This sells on eBay for 1765.00 I will sale this one for 1000.00. Call or text brad 3348501958. This has the DPF DELETE in it.