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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
some Mpg gain
CHEVY SILVERADO 1500 07-13 / 2500HD/3500HD 07-14 L
Decrease in stress on the motor due to better combustion
"Straight-Pipe" No Muffler
SW #7: +130 HP
01-04 Duramax PPE Manifolds & Up Pipes Intercooler Pipes & Y-Bridges some Mpg gainPPEs High Flow Exhaust Manifolds and Up Pipes have a 53% greater flow over stock, NO EGR PROVISION PPE Manifolds are made from high quality cast iron and the Up Pipes are made from 11 gauge 304 stainless steel. The aircraft grade 304 stainless steel Up Pipe bellows are high flow, internally sleeved, and have an increased inner diameter. Features: Cast Hi Sil Moly iron high flow manifold construction Significant reduction in exhaust back pressure Free
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