Discussion
keep it stock ! GT3 exhaust is a good design nothing to be gained.
if the oem had failed why did you not go the 200 cell route or no cats at all , 200 cell will pass the OBD issue and MOT
100 cell prob won't pass an MOT and now give you a cel !
if the oem had failed why did you not go the 200 cell route or no cats at all , 200 cell will pass the OBD issue and MOT
100 cell prob won't pass an MOT and now give you a cel !
Edited by Porsche911R on Monday 3rd October 13:28
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