PPE High Flow Exhaust Manifolds W/ Up Pipes For 06-07 GM 6.6L LLY/LBZ Duramax programmers High Quality 3/8" S

High Quality 3/8" S

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PPE High Flow Exhaust Manifolds W/ Up Pipes For 06-07 GM 6.6L LLY/LBZ Duramax programmers High Quality 3/8" SPPEs Manifolds and Up Pipes are designed to maximize power and flow characteristics. The Up Pipe bellows are internally sleeved, made from aircraft grade 304 stainless steel and designed with an increased inner diameter for higher flow. The entire Manifold and Up Pipe exhaust system is designed to lower exhaust gas temperatures (EGTs) and accelerate turbo spool up while increasing power, fuel economy and maintaining reliability. Kit comes complete