FKF 2001-2016 Duramax S400 3.5" Stainless Steel Downpipe
FKF 2001-2016 Duramax S400 3.5" Stainless Steel Downpipe
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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
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