Gti 155
HEY ALL. im thinking about getting a ski but im tossed between the gti 130 and gti 155. i like the 155 but my wife doesn't like it in black lol. does anyone no how the get the added horse power? is it a tune or different cam or something like that? also does anyone have any experience with the x package module, v.t.s module? im thinking i might ad these if i get the 130.
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