HKS Hi-Power Spec L II Muffler Exhaust System - GR Yaris Gen 1 Accessories please add as many as

please add as many as you need to your shopping cart

This combination of temperature and density gave us an 8bhp increase on our test cars as well as an incredible induction noise

and the development team at Forge Motorsport have been able to work their magic once again to find further improvements

Works with your OEM shift knob

With improved heat stability and durability

HKS Hi-Power Spec L II Muffler Exhaust System - GR Yaris Gen 1 Accessories please add as many asThis is the second version of the Hi Power Spec L series muffler. A renewal that allows for the muffler tip finisher cover to be exchanged in between different materials and style for the ultimate choice in the finishing touch. A pure sports spec series muffler designed with the ideal combination of hi power and ultra lightweight spec.