IW STi Forum banner


  1. VAB HKS Axle Back Exhaust

    2015+ STI Discussion
    Part # 31021-AF024 Decided to just go with an axle back since I just wanted a better sound. This is listed as a WRX part on the HKS website and there isn't a sound clip on an STI. It's an HKS piece so there's not much that has to be said about quality and fitment. Each muffler weights about...