GESI G-Sport 4.50in x 4.00in 400 CPSI - GEN2 EPA Approved Substrate Only (500-850HP)

GEN2 Models support up to 1,200 hp per catalytic converter
4.50" x 4.00" - GEN2 EPA Compliant G-Sport Ultra High Output Substrate Only - 500-850HP - 400 CPSI .