{"product_id":"exhaust-headers-y-pipe-for-cadillac-escalade-2004-2013-4-8l-5-3l-6-0l","title":"Exhaust Headers Y-Pipe for Cadillac Escalade (2002-2006) 6.0L Engines","description":"\u003ch2\u003eHigh-Flow Long-Tube Exhaust Headers with Y-Pipe for 2002-2006 Cadillac Escalade (GMT800\/GMT900)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e This long-tube header and Y-pipe system replaces the restrictive factory cast-iron manifolds and mid-pipe to significantly reduce backpressure and improve exhaust gas scavenging on LS-series V8 engines.\u003c\/p\u003e\n\u003ch3\u003eThe Stock Escalade Exhaust Restriction\u003c\/h3\u003e\n\u003cp\u003eThe factory exhaust manifolds on the GMT800 and GMT900 chassis are heavy cast-iron \"log\" style units designed more for manufacturing cost and engine bay packaging than performance. These manifolds create significant internal turbulence because exhaust pulses from adjacent cylinders compete for space in a cramped common chamber. This interference increases backpressure, which traps heat in the cylinder heads and forces the engine to work harder during the exhaust stroke. Over time, these stock manifolds are prone to warping and broken manifold bolts, leading to persistent exhaust leaks and diminished fuel efficiency.\u003c\/p\u003e\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis system utilizes an 8-2-1 design, featuring 1.75\" primary tubes constructed from mandrel-bent T-304 stainless steel. By providing each cylinder with a dedicated runner, exhaust pulses are timed to create a vacuum effect (scavenging) that pulls spent gases out of the combustion chamber more efficiently. The headers feature heavy-duty 7\/16\" head flanges and 3\/8\" outlet flanges, CNC-machined to ensure a warp-resistant, leak-free seal against the cylinder head. All joints are TIG-welded for superior structural integrity under high thermal stress. The 2.40\" outlet Y-pipe is finished with a 3-stage polish and includes three O2 sensor bungs to maintain proper air-fuel ratio monitoring.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e2002-2006 Cadillac Escalade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eEngine \/ Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eLS-Based V8 (LR4, LM7, LQ9, L92) \/ GMT800 \u0026amp; GMT900\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003eStock Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e285-403 hp \/ 325-417 lb-ft (Approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2007-2006 Cadillac Escalade\u003c\/li\u003e\n\u003cli\u003e2007-2006 Cadillac Escalade ESV\u003c\/li\u003e\n\u003cli\u003e2007-2006 Cadillac Escalade EXT\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe Cadillac Performance Standard\u003c\/h3\u003e\n\u003cp\u003eFor the Escalade owner focused on towing performance or increased mid-range torque, these T-304 stainless headers provide the durability required for heavy-duty cycles. The improved thermal management reduces under-hood temperatures, protecting sensitive components while delivering the deep, authoritative V8 note expected from a high-displacement Cadillac powerplant.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":48003487531256,"sku":"DS-E4E08XQ9J","price":359.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/exhaust-headers-y-pipe-for-cadillac-escalade-2004-2013-4-8l-5-3l-6-0l-1.webp?v=1771535596","url":"https:\/\/performancechiptuning.com\/products\/exhaust-headers-y-pipe-for-cadillac-escalade-2004-2013-4-8l-5-3l-6-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}