{"product_id":"long-tube-headers-for-corvette-c5-1997-2004-with-5-7l-engine","title":"Long Tube Headers for Corvette C5 (1997-2004) 5.7L Engine","description":"\u003ch2\u003eHigh-Flow Exhaust Scavenging for the LS1: C5 Corvette Long Tube Headers\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWho It’s For:\u003c\/strong\u003e Engineered for 1997-2004 Chevrolet Corvette owners running the iconic LS1 powerplant who are tired of the stock exhaust choking their high-end performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Symptom:\u003c\/strong\u003e The factory exhaust manifolds on the LS1 are designed for mass production and engine bay silence, not raw efficiency. These restrictive, cast-iron or heavy stamped units create massive backpressure by forcing exhaust pulses to collide in a cramped space. This turbulence prevents the engine from breathing during high-RPM pulls, leaving significant horsepower and torque on the table when you’re trying to shave time off your 0-60 or quarter-mile runs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Engineering Fix:\u003c\/strong\u003e This system replaces those restrictive manifolds with a long-tube design featuring 1-7\/8\" primary runners and 3\" collectors. By using computerized mandrel-bending, we ensure the internal diameter remains constant, preventing the velocity drops common in crush-bent tubing. The increased length of the primaries creates a scavenging effect, where the high-velocity exit of one exhaust pulse actually creates a vacuum that pulls the next pulse out of the combustion chamber, significantly improving volumetric efficiency.\u003c\/p\u003e\n\u003ch3\u003eWhy Mechanics Choose This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Scavenging:\u003c\/strong\u003e The 1-7\/8\" primary diameter is the \"sweet spot\" for the 5.7L LS1, providing enough volume for top-end airflow without sacrificing the low-end air velocity needed for torque.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe LS1 Growl:\u003c\/strong\u003e Swapping to T304 stainless steel removes the muffled, tinny sound of stock manifolds and replaces it with a crisp, aggressive induction and exhaust note that defines the C5 platform.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Construction:\u003c\/strong\u003e Featuring TIG-welded CNC machined flanges, these headers are built to withstand the extreme thermal cycles of performance driving without warping or leaking.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; margin-bottom: 20px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0; font-weight: bold;\"\u003eFitment\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e1997-2004 Chevrolet Corvette\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0; font-weight: bold;\"\u003eEngine Platform\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eLS1 5.7L V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0; font-weight: bold;\"\u003eFactory Ratings\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e~345-350 HP \/ 350-360 lb-ft Torque\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0; font-weight: bold;\"\u003ePrimary\/Collector Size\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003e1-7\/8\" OD \/ 3\" OD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0; font-weight: bold;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e0e0e0;\"\u003eT-304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibility \u0026amp; OEM Reference\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eFits the Following Vehicles:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1997 Chevrolet Corvette 5.7L V8 LS1\u003c\/li\u003e\n\u003cli\u003e1998 Chevrolet Corvette 5.7L V8 LS1\u003c\/li\u003e\n\u003cli\u003e1999 Chevrolet Corvette 5.7L V8 LS1\u003c\/li\u003e\n\u003cli\u003e2000 Chevrolet Corvette 5.7L V8 LS1\u003c\/li\u003e\n\u003cli\u003e2001 Chevrolet Corvette 5.7L V8 LS1\u003c\/li\u003e\n\u003cli\u003e2002 Chevrolet Corvette 5.7L V8 LS1\u003c\/li\u003e\n\u003cli\u003e2003 Chevrolet Corvette 5.7L V8 LS1\u003c\/li\u003e\n\u003cli\u003e2004 Chevrolet Corvette 5.7L V8 LS1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: monospace; font-size: 0.9em; color: #666; background-color: #f5f5f5; padding: 10px; border-radius: 4px;\"\u003eInlet: 1.875\", Outlet: 3.00\", Extension Pipe Inlet: 3.00\", Extension Pipe Outlet: 2.25\", Ball Flange Design\u003c\/p\u003e\n\u003ch3\u003eThe Performance Promise\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBuy with confidence.\u003c\/strong\u003e This kit is designed for enthusiasts who demand better flow and a more responsive throttle. While this is a direct bolt-on for the headers themselves, professional installation is highly recommended to ensure proper clearance and a leak-free seal on the 3\" ball flange connections. Backed by real automotive experts and fast shipping.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":47758449574136,"sku":"DS-LTUBEC5-HEADERS","price":449.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/Corvette1__54557.1660079276.1280.1280.jpg?v=1767729310","url":"https:\/\/performancechiptuning.com\/products\/long-tube-headers-for-corvette-c5-1997-2004-with-5-7l-engine","provider":"Performance Chip Tuning","version":"1.0","type":"link"}