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133 Posts
Im about to buy a de cat pipe for my GTR, and ive also been offered a downpipe for little money. Is this a good start, the engine is standard appart from a 3" cat back exhaust system (made by Jasma i think). Will i have to also change other parts at the same time i.e. fuelling/timing, air filter etc. to get the full benefits, and not run into any problems. Im new to turbo tuning so am not sure what the right set of first mods should be.
Also will this make the exhaust note louder (its very quiet at the min at idle, and even above 3500rpm), because i dont want to have a very loud exhaust.
Im i right in thinking that because my car was built in 1990 (H), it does not need a cat to pass the MOT. I understand it that after 1992 (K) if it was originally equipped with a cat, it has to have one for the MOT. Is this correct, or will I have to change it back again to pass?
any advice is much apreciated.
Diabolus
Also will this make the exhaust note louder (its very quiet at the min at idle, and even above 3500rpm), because i dont want to have a very loud exhaust.
Im i right in thinking that because my car was built in 1990 (H), it does not need a cat to pass the MOT. I understand it that after 1992 (K) if it was originally equipped with a cat, it has to have one for the MOT. Is this correct, or will I have to change it back again to pass?
any advice is much apreciated.
Diabolus