Stainless Works 2007-13 Chevy Silverado/GMC Sierra Headers 1-7/8in Primaries High-Flow Cats Y-Pipe

Factory Connect Catted: 2007-13 Chevy Silverado / GMC Sierra Truck Headers from Stainless Works - Increase performance and improve sound with our Silverado headers. These headers are designed to fit the factory connection point behind the factory catalytic converter. System includes Y-pipe and features 1-7/8" diameter primary tubes and 3" diameter lead pipes. Made from 304 stainless steel and TIG welded, these headers are constructed with 3/8" thick flanges and come with 3" diameter slip fit collectors with merge spikes. Designed to fit Chevy/GMC 1500 2WD/4WD 5.3L Double Cab with Standard Box or Crew Cab with either Short Box or Standard Box. Stainless Works headers are backed by a limited lifetime guarantee on material and workmanship and are made in the USA. Factory Connect Catted: 2007-13 Chevy Silverado / GMC Sierra Headers. Fits factory connection point in front of OEM cat. Stainless Works headers are made in the USA and backed by a limited lifetime guarantee on material and workmanship. 2007 thru 2013 Chevy Silverado or GMC Sierra 1/2 Ton Trucks Fitment: Chevrolet Silverado 1500 LT 2007 to 2013 Chevrolet Silverado 1500 LTZ 2007 to 2013 Chevrolet Silverado 1500 WT 2007 to 2013 Chevrolet Silverado 1500 XFE 2010 to 2013 GMC Sierra 1500 SLE 2007 to 2013 GMC Sierra 1500 SLT 2008 to 2013 GMC Sierra 1500 WT 2007 to 2013 GMC Sierra 1500 XFE 2010 to 2013