I’m currently doing a 1.4 to 2.0 16valve conversion to my Astra, I got the down pipe with the engine, 1st of all, The car is a early K plate do I need to buy a cat with a new pipe?? Or will I get away with a cat bypass pipe,
2nd, Do all Astra’s use the same pipe from the cat to the back box? If not which model of Astra will the exhaust be ok for my 2.0? Cheers,
think i might have told you wrong mate actually got it into my head you were talking about manifolds so not sure really sorry and as for middle box think they are different but you can get cat replacement pipes which i think are about £18
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