2011-2015 CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500
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K4156S-TD - FOR '11-'15 CHEVY 4" STAINLESS - D.P.F. BACK TURN DOWN
K4156S-TD – FOR 2011, 2012, 2013, 2014 & 2015 – CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 (ALL CAB AND BED LENGTHS) 4″ 409 STAINLESS STEEL – PERFORMANCE DIESEL EXHAUST KIT – DIESEL PARTICULATE FILTER BACK TURN DOWN SINGLE – STAINLESS STEEL TIP INCLUDED.