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The Duramax Screamer turbo works with any "box" tuner with further improvements achieved with custom tuning
precise machining
providing engine boosting systems to racers and enthusiasts world wide
It is the updated dished style housing that helps keep the unison ring from sticking
We took the pair on a 900-mile loop through city traffic
2003-2007 Powerstroke 6.0L 4" Turbo Back Exhaust No Muffler (421025) Material:Aluminized The Duramax Screamer turbo works2003 2007 Powerstroke 6. 0L 4" Turbo Back Exhaust No Muffler (421025) 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 Flo~Pro system. For powerhouse performance, Flo~Pro delivers horsepower you can hear!
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