Kreissieg O2 Canceller & Exhaust Manifold

To achieve a louder and higher pitched exhaust sound with every Kreissieg exhaust system, youll find that their Exhaust Manifolds + O2 Canceller are a recommended installation. These pipes were carefully developed along with each exhaust system to provide optimal performance. _x000B_ _x000B_Kreissieg strongly recommends these pieces when you purchase one of their exhaust systems to get the best experience possible. _x000B_ _x000B_Made from Stainless Steel material _x000B_ _x000B_ _x000B_NOTE: Kreissieg can NOT guarantee "NO CEL" with this unit because every car has different emission specs depending on country. _x000B_ _x000B_*Every Kreissieg exhaust system is built to order specifically to each customers request and each handcrafted system takes 14-20 days to build after purchase. All exhaust products are made in house. Made in Japan.