I have a H&S Mini Max Race Tuner for sale with 4" exhaust and S&B high flow air cleaner. All is new in box except air cleaner. I bought this for a 2012 Dodge diesel I owned but I traded it off before I installed. I did install the air cleaner though and removed it at time of trade. These tuners will spit out up to 250+ horsepower on HOT or u can set on mild for 50hsp or leave on factory. Adjust on the fly feature. EGR delete as well. I gave $2100 for the unit 5 years ago. Selling for $750.00 OBO NEVER BEEN USED~NEW IN BOX!. Give me a shout if u wanna go fast and roll coal. Thx 785-four 52-8498 4S Land & Cattle LLC Dodge, ford, gmc, chevy Cummings, powerstroke, duramax, diesel