1990-92 Chevy ZR1 Corvette headers. 2″ Primaries. All tubes are CNC mandrel bent for optimal flow. 3″ Slip-fit Collectors, off-road leads, Made from 304 stainless steel for maximum corrosion resistance. Port Matched to factory cylinder heads with oval ports. Performance connection. Mill finish, All TIG welded for strength and durability. These kits come with a lifetime warranty and proudly made in the USA. Dyno proven 30 RWHP gain over stock. Use with Stainless Works exhaust systems (P/N ZR1CHAMSW or ZR1STUBESW)
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