The HKS silent Hi Power Exhaust is a true JDM exhaust system inspired and designed from competition racing in Japan. HKS designed their Hi Power Exhaust systems to be the highest flowing exhausts possible, HKS takes each exhaust seriously and builds their exhausts to have as little bends as possible This low path of resistance means your HKS Hi Power exhaust will create incredible power and the specially designed HKS silent muffler is the best i've heard! HKS Hi Power Exhaust systems are a direct fit, and require no modification to install these retail for £600 - £700 new so grab a bargain while you can - it wont be here long at this price £300 ono