2007.5-2010 Duramax LMM 5" Downpipe Back Exhaust w/ Muffler (531001) Oil Pans & Pumps

2007.5-2010 Duramax LMM 5" Downpipe Back Exhaust w/ Muffler (531001) Oil Pans & Pumps2007. 5 2010 Duramax LMM 5" Downpipe Back Exhaust w Muffler (531001) Constructed out of 16 gauge aluminized steel or T409 Stainless, this exhaust system is designed to simplify installation with included clamps, preweld contour bends and improved flanges. Enjoy a noticeable boost in performance, lowered EGTs and amplified air flow with this Mel's system. For powerhouse performance, Mel's delivers horsepower you can hear!

25 percent over nozzles

The reality is that bellows in the OEM up-pipes don't flex enough which causes stress

Universal Bolt-On Rolled Angle Cut Mel's Polished 304 Stainless Exhaust Tip

The end result is cooler oil supply to vital engine components allowing for less wear on injectors

the CCV delete plate

7L 4" Cat & DPF/SCR Race Pipe No Muffler (411025 / 412025)

7L Mean Green 375AMP High Output Alternator (MG1391SHD)

Premium High-Efficiency Transmission Fluid Filter

Remanufactured injector set at 20 percent over

We do all this in a liquid-cooled package protected by 360-degree thrust bearings

4L Mean Green 300AMP High Output Alternator (MG1290HD)

Compatible with Most Diesel Oils: Mixes seamlessly with your preferred high-quality diesel lubricants