iv just bought an ashley exhaust system and i wana buy a 4-2-1 manifold which obviously will then de-cat it.
so wen it comes to mot time would i have to change the manifold back or would i be able to use the mk1 under the car cat?
any help appreciated
so wen it comes to mot time would i have to change the manifold back or would i be able to use the mk1 under the car cat?
any help appreciated
