mods
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Instructor
Joined: Aug 2002
Posts: 102
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From: olathe,ks.
mods
It is interesting that the threads about aftermarket stuff still go on. About half of 911 owners have done mods (I did evo cone filter on my 2001 coupe and had to replace after power robbing issues-I replaced it with an RM Racing box kit which I liked.I also did B&B mufflers and headers and loved those) However you don't get a NOTICABLE increase unless you reprogram the ECU which I have no experiences with.If someone tells you yer gonna get 20+ HP eith simple mods they are BS'ing you- I don't care how reputable the outfit selling it is.
