aFe MACH Force-Xp 3in 409 Stainless Steel Down-Pipe 11-15 GM Diesel Trucks LML V8 6.6L (td) M12 we have less than a

we have less than a 2 percent failure rating with our motor

These are a direct replacement for your cracked

Duramax LB7 owners now have the ability of connecting the turbo and aftermarket down-pipe back exhaust system by removing the restrictive stock pipe

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aFe MACH Force-Xp 3in 409 Stainless Steel Down-Pipe 11-15 GM Diesel Trucks LML V8 6.6L (td) M12 we have less than aThis aFe POWER turbo downpipe is engineered to outflow and outperform the restrictive, factory downpipe on the 2011 2015 GM Truck with V8 6. 6L (td) engine. The mandrel bent, stainless steel tubing offers smoother transition bends for increased airflow, delivering quicker turbo spool times. CNC machined V band inlets and outlets ensure a factory style, 360 degree sealing surface. Both inside and outside surfaces of the downpipe are ceramic coated to