PPE Replacement High Flow OEM Length Up-Pipes 17-25 GM 6.6L Duramax L5P GH-1126 the upper control arm loses

the upper control arm loses clearance to the suspension limiting bump stop that is located under the front of the upper A-arm

A vulcanized (clevite) bushing is a non-modular assembly where the damping/isolation material is bonded to an inner and outer sleeve

300" diameter

TIG-Welding provides the strongest welds reducing stress cracks

the X4 also comes pre-loaded with dyno proven and track tested performance maps for out of the box performance gains

PPE Replacement High Flow OEM Length Up-Pipes 17-25 GM 6.6L Duramax L5P GH-1126 the upper control arm losesReplace and upgrade your undersized, restrictive stock up pipes in your L5P Duramax with these high flow, OEM length, performance up pipes from PPE. These direct replacements have a 46% larger flow area over stock, which results in a deeper breathing power plant, while maintaining the mandated Federal emissions standards of stock. The PPE OEM Length Up Pipes are manufactured from 11 gauge 304 stainless steel. These new Up Pipes include the superior