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    LBZ: Magnaflow Downpipe

    I have two Dmax powered trucks, 04 LLY and a 07 LBZ, that my son and I replaced the downpipes with new ones from Magnaflow. It took about 2hrs to get crappy old GM pipes out and about 30min. to install new ones. The heat shields were our biggest pain to move out of the way! Reduced EGTs by about...