2017-2021 Chevy Silverado 2500HD/3500HD 6.6L L5P Duramax Diesel 3.5" High Flow Exhaust Up Pipes yy2303BPL If you do not receive

If you do not receive your item on time

6 THP - EP6CDT EP6FDT engine

For Porsche 911 Targa 4 2009-2012

For Audi B8 A4L 2009-2012

2017-2021 Chevy Silverado 2500HD/3500HD 6.6L L5P Duramax Diesel 3.5" High Flow Exhaust Up Pipes yy2303BPL If you do not receiveFeature: Upgrade the L5P to achieve higher flow by bolting on PPE OEM Length Replacement High Flow Up Pipes. 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 Length Up Pipes are manufactured from stainless steel. These new Up Pipes include the superior internally sleeved bellows, also manufactured from stainless