FKF 3.5" Stainless steel S400 Duramax Downpipe

Features-

304 3.5" Stainless Steel Construction

Billet SS 4.62" Half Marmon for Borg S400, Garret G Series 42 and 45 T4 style Flange W/Clamp

Billet SS lower downpipe flange (No cutting required, bolts directly up to your factory race pipe)

TIG welded and back purged for aesthetics and strength

Designed to work with 6.5" tall pedestals

Does not come dented and does not need dented with the exception of extended length up pipes

Please allow a 4-14 business day build time