This header increases exhaust flow at higher RPMs to generate more power and maximize performance out of your engine. Get up to 35% better exhaust gas flow by replacing the restrictive and inefficient factory cast log manifolds with these precision built high flow headers. Great fitment, great quality and a great price guaranteed. Extremely competitive pricing that won’t break your bank. Needless to say, this is what you can expect from a vendor of the world's largest automobile OEM manufacture supplier. Application: 1992 thru 1997 Chevrolet Corvette 5.7L C4 LT1 1996 thru 1997 Chevreolt Corvette 5.7L C4 LT4 This kit come with "O" head ports, will not fit "D" head ports Specification: Primary Tube: 1 5/8" OD Collector: 2.5" OD Flange Thickness: 0.4" Runner Wall Thickness: 16 Gauge (1.5mm) Mirror Polish Finish Resonated Application (Cat Delete) Features: Made with 304-grade stainless steel for durability Dual T.I.G. welded for stronger hold CNC mandrel bent pipes for faster smoother exhaust flow Include only the accessories show on the photo All systems are built with the highest quality, care and detail. Don't compromised Quality Assurance is Guaranteed NO installation instruction is included in the kit, we recommend professional installation
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