GM 6.6L Duramax OEM Length Replacement High Flow Up-Pipes GM Fed 01-04 and Ca 2001 GM Silverado/Sierra This easy-to-use Speedometer Calibrator helps

This easy-to-use Speedometer Calibrator helps you quickly and easily reprogram your vehicle's speedometer to match the output of your larger tires

Does Not fit models w/ heavy duty bearing package for available factory 22in wheels Does Not fit 2019 Classic models (5-lug) Kit is Not recommended for AWD models

This kit installs easily with common tools

and resistant to corrosion

The KOH Edition Bronco suspension package by BDS was born in the desert to withstand the toughest conditions proven on the King of Hammers racecourse

GM 6.6L Duramax OEM Length Replacement High Flow Up-Pipes GM Fed 01-04 and Ca 2001 GM Silverado/Sierra This easy-to-use Speedometer Calibrator helpsDiesel engines (even stock) produce high temperatures and pressures. OEM up pipes eventually fail from constant temperature and pressure fluctuation. PPE has taken OEM replacement to a new level. PPE OEM Up Pipes allow 53 percent greater flow than stock. PPE OEM Up Pipes are a direct bolt on to your factory manifolds. But unlike factory parts, PPE OEM Up Pipes are manufactured from 11 gauge 304 stainless steel and include our superior PPE 304