2017-2021 GMC Sierra 2500HD/3500HD 6.6L L5P Duramax Diesel 3.5" High Flow Exhaust Up Pipes yy2303HPL For 1998 Mercury Grand Marquis

For 1998 Mercury Grand Marquis 4

Manufacturer Part Number: 39400-2B250

For 1992-1998 for Toyota Celica

Easy to install (without instructions)

2017-2021 GMC Sierra 2500HD/3500HD 6.6L L5P Duramax Diesel 3.5" High Flow Exhaust Up Pipes yy2303HPL For 1998 Mercury Grand MarquisFeature: 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