jasma extractor + stainless steel straight piping + 5zigen muffle (donno which type,some said 304,some said fireball,judge it urself) whole set exhaust system for sale/trade in with ur stock b16a exhaust system...donno wanna let go how much coz i donno the market price...if anyone interesed can call me n quote me a price...0162628230 tan...thanks