2008-2010 Powerstroke 6.4L 4" Downpipe Back Exhaust w/ Muffler (421006) Material:Stainless

2008-2010 Powerstroke 6.4L 4" Downpipe Back Exhaust w/ Muffler (421006) Material:Stainless2008 2010 Powerstroke 6. 4L 4" Downpipe Back Exhaust w Muffler (421006) 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!

Make valve spring maintenance and upgrades a straightforward process with this In-Engine Valve Spring Compressor—your go-to tool for quick

replaces stock or a shimmed pressure relief valve

Cast from the same hi-sil moly as PPE’s High Flow Race Exhaust Manifolds

If you are installing new injectors (stock or aftermarket)

because it's tough on tooling

the Stealth 64 VVT is much better at controlling exhaust gas temperatures under sustained load when towing up long grades at high power

internal transmission and transfer case damage

We also have including the

making it able to identify the slightest fluctuations in AFR and output them in full value

2006-2010 Duramax LBZ/LMM Economy Xcelerator (1110100)

2007 - 2009 Dodge Cummins 6

Reliable Design that maximizes clamp load and minimizes the risk of head-gasket failure