TODA RACING Exhaust Manifold 4-2-1 SUS For CIVIC TypeR K20Z 18100-FN2-000Brand TODA RACING Series Name Exhaust Manifold 4 2 1 SUS Product Number 18100 FN2 000 Compatible Car CIVIC TypeR Compatible Models K20Z Product Description In order to get the best performance, engine power, efficiency, this exclusive exhaust manifold design takes into consideration not only the special characteristics of the K20Z engine but also the results of an extensive bench testing program. Racing purpose only (The catalyst can NOT be installed)