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AI3-XTR4 kit features an Xtreme pressure plate for the most demanding driver
Optional high-flow stainless steel cats are an option
All kits are available in 439 stainless steel and are offered as direct bolt on replacements for the restrictive factory exhaust
Z61-XTG6 kit features an Xtreme pressure plate for the most demanding driver
Front Storage Pocket For extra storage space
BBK 2010-15 Camaro Ls3/L99 1-7/8 Full-LenGTh Headers W/ High Flow Cats (Titanium Ceramic) (4054) 1822 AI3-XTR4 kit features an XtremeThese 1 7 8 BBK Performance full length long tube exhaust headers offer unsurpassed quality and fitment using top quality materials and American craftsmanship. Every long tube exhaust header system is hand built with CNC mandrel bent tubing for unrestrictive exhaust flow and maximum performance 3 8" laser cut header flanges patented scavenging collector design and gasket less ball and socket connectors for easy installation. Every exhaust header has