HKS Dual Muffler Cat Back ExhaustNote: Valve actuator shown fitted in image above but is not included. OEM actuator must be reused. To emphasize a unique powerful tone of 6 cylinder engine and reduce exhaust restriction, HKS has used dual muffers with a straight through internal structure. This is finished off with 120mm diameter tips, fitting bumper cut outs with a visible logo and a sporty rear view. Features: Valved exhaust, compatible with OEM valve actuator (not included, reuse