its the same as the Milltek system but has a smaller back box so its louder and pops and bangs alot more than the Milltek system. when i bought it the tips were dirty and when i cleaned the chrome had flaked off so ive painted the tips black (if you run and decat then you know the tips never stay chrome for long any way) http://www.k-tecracing.com/show_product.asp?id=2674&appid=12 the back box fits the milltek system so if you have that and want a louder system you can fit just the rear box these a with a decat fitted im after £260 collected from stevenage, Hertfordshire