aFe Power Twisted Steel Headers 409 Stainless Steel 2002-2013 GM Silverado/Sierra 1500 V8 GMT800/GMT900

The new Twisted Steel performance header from aFe Power is redefining the header industry with new pulse control technology. aFe engineers have designed this header using optimum tube lengths and mitered collectors for maximum flow and velocity for power delivery across the entire power band. Combine with a large 1/2" thick head flange and 14-gauge 409 stainless steel tubing, you have a header that is strong and powerful. Twisted Steel headers are 100-percent bolt-on with no modifications necessary and are proudly engineered and built in Corona, CA. This Part Fits: Year Make Model Submodel 2003-2013 Cadillac Escalade Base 2011-2013 Cadillac Escalade Luxury 2008-2013 Cadillac Escalade Platinum 2011-2013 Cadillac Escalade Premium 2003-2013 Cadillac Escalade ESV Base 2011-2013 Cadillac Escalade ESV Luxury 2008-2013 Cadillac Escalade ESV Platinum 2011-2013 Cadillac Escalade ESV Premium 2002-2013 Cadillac Escalade EXT Base 2011-2013 Cadillac Escalade EXT Luxury 2011-2013 Cadillac Escalade EXT Premium 2013 Chevrolet Avalanche Black Diamond LS 2013 Chevrolet Avalanche Black Diamond LT 2013 Chevrolet Avalanche Black Diamond LTZ 2007-2012 Chevrolet Avalanche LS 2007-2012 Chevrolet Avalanche LT 2007-2012 Chevrolet Avalanche LTZ 2003-2005 Chevrolet Avalanche 1500 Base 2005-2006 Chevrolet Avalanche 1500 LS 2005-2006 Chevrolet Avalanche 1500 LT 2003 Chevrolet Avalanche 1500 North Face 2003 Chevrolet Avalanche 1500 On Road Edition 2003 Chevrolet Avalanche 1500 WBH 2004-2006 Chevrolet Avalanche 1500 Z66 2003-2006 Chevrolet Avalanche 1500 Z71 2003-2013 Chevrolet Express 1500 Base 2003-2013 Chevrolet Express 1500 LS 2006-2013 Chevrolet Express 1500 LT 2003-2013 Chevrolet Express 2500 Base 2003-2013 Chevrolet Express 2500 LS 2006-2013 Chevrolet Express 2500 LT 2003-2013 Chevrolet Express 3500 Base 2003-2013 Chevrolet Express 3500 LS 2006-2013 Chevrolet Express 3500 LT 2002-2005 Chevrolet Silverado 1500 Base 2004-2006,2009-2013 Chevrolet Silverad…