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Hi,
been on stage 1 + for quite a time now. I am thinking of doing an exhuast mod and while i am at it, i am thinking if getting the secondary cat delete. It will be cut and weld a new pipe on. Would you recommend to run stage 2 map since i got 2 of 4 cats off? or it's a nono since the restriction is still applied too close to the turbo?
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Gone:
N54 335i is the Legend!
N55 435i
Now: 718 Cayman GTS / F83 M4
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