MBRP UT6001 5" Aluminized T Pipe Stack Kit AFE-46-20149-B 5L by also replacing the

5L by also replacing the restrictive crossover pipe with this part from Diamond Eye

5-2010 Duramax's is very restrictive

Manton's heavy duty trunnions feature larger oil supply holes

and you've got a win-win situation

MBRP UT6001 5" Aluminized T Pipe Stack Kit AFE-46-20149-B 5L by also replacing theAre you ready to transform your exhaust into a set of stacks? This kit from MBRP is designed to hook up to an existing 5" system under the cab with flex pipe, then channels up through the floor of the bed, and into a traditional T. You supply the stacks, and this kit gets you everything you need to tackle the rest of the job. For those who already have a 5" performance exhaust on their truck, this kit includes everything that you need to convert your