Hooker 70704301-RHKR Blackheart Front Pipe 2013-2016 Subaru BRZ/Scion... With Out Catalytic... RACE ONLY... Max dyno gains of +2.3 HP & +4.03 LB.FT torque (Front pipe w/ catalytic... 2.5" lightweight, 18-gauge, 304 stainless steel construction maximizing strength and...