MBRP T5126 - T304 Stainless Steel - Diesel Exhaust Tip - 4" Inlet - 7" OD - Armor Pro sale HP Tuners RTD4 - this

HP Tuners RTD4 - this is used for programming the ECM and TCM if you decide to do so

and enhance performance with the C6292P 4" down pipe back exhaust kit from P1 Race Products

For those towing anything behind their 3L Duramax up to GVWR

and enhance performance with the C6056P 4" down pipe back exhaust kit from P1 Race Products

Sporty and SAFE tune to run

MBRP T5126 - T304 Stainless Steel - Diesel Exhaust Tip - 4" Inlet - 7" OD - Armor Pro sale HP Tuners RTD4 - thisT304 Stainless Steel Tip; 7" OD; Rolled End; 4" ID; 18" length Part number: T5126 Description: T304 Stainless Steel Tip; 7" OD; Rolled End; 4" ID; 18" length Fitment: Universal fitment Series: Armor Pro Inlet: 4" Inlet Dimensions: 18. 75 in L x 7. 5 in W x 7. 5 in H Weight: 4 lb Country of origin: CHINA