BRAND NEW SOUTHWEST SPEED LONG TUBE HEADERS WITH Y-PIPE, CERAMIC COATED, 1-7/8" TUBE DIAMETER, 3.0" COLLECTORS (PART #440-0106) FITS: CHEVROLET: 2007-2013 SILVERADO V8-4.8/5.3/6.0/6.2L GMC: 2007-2013 SIERRA V8-4.8/5.3/6.0/6.2L FEATURES: 1-7/8" PRIMARY TUBES WITH 3" COLLECTORS FOR IMPROVED EXHAUST FLOW 3/8" STEEL FLANGES FOR DURABILITY LONG TRANSITION COLLECTORS WITH MERGE SPEARS FOR MAXIMUM FLOW AND INCREASED EXHAUST VELOCITY TUBE GEOMETRY DESIGNED FOR MAXIMUM GROUND CLEARANCE AND EASE OF INSTALLATION 3-INCH Y-PIPE INCLUDED COMES WITH HARDWARE & GASKETS SPECS: BRAND: SOUTHWEST SPEED COLLECTOR: DIAMETER 3.00 INCH ENGINE: GM SMALL BLOCK GEN III/IV (LS BASED) HEADER FINISH: CERAMIC COATED HEADER STYLE: LONG TUBE PRIMARY TUBE DIA.: 1-7/8 INCH PRODUCT TYPE: HEADERS TUBE MATERIAL: MILD STEEL YOU CAN VIEW AND DOWNLOAD THE COMPLETE ASSEMBLY INSTRUCTION BOOKLET FOR THESE HEADERS HERE.
