Solo Performance High Flow Catalytic Converters for 2010 -2015 Camaro V8 Manual Transmission 5Th Gen LS3 2010 - 2015 Chevy Camaro LS3 High Flow Cats. All Stainless steel Piping and Bolt on design for an easy installation. Efficient design for great flow. Not CARB Certified. Designed for off road use in NY & California Free Tee shirt with every order. Sm, Med, Lg, XL , 2XL & 3XL available. PM us your size when you order or we will include an XL.