BBK 40210 1-3/4" Full Length Long Tube High Flow Performance Exhaust Headers System With High Flow Catalytic Converters for Camaro V8, SS, LS3, L99 - Polished Silver Ceramic BBK is your Number One Aftermarket Performance Exhaust Brand in the USA - American Designed and Built BBK Exhaust is Built with CNC Mandrel Bent 1-3/4" Tubing for 35% Increased Flow Over Stock to Increase Horsepower, Torque and Performance Aircraft Quality Construction, Heavy Gauge Tubing, 3/8" Laser Cut Flanges, Large Bore Patented Designed Collectors and Custom Precision Hand and Robotic Welds for Long Lasting Quality Long Tube, Full Length Direct "Perfect" Fit Replacement Exhaust Includes All New Gaskets and Hardware (Where Applicable) and Offers Improved Performance and Sound Over Restrictive Stock Systems Polished Silver Ceramic Finish - Designed to Fit all 2010-2014 Ls3 Camaro Applications Kit Includes High Flow Catalytic Converters to Complete Installation