bad mab headers
#4
#10
Other way around, long tube headers help top end and shorty headers help low end. However both affects aren't really big enough to feel, the size of the primaries is the big deciding factor.
#11
#23
Ya. Well with car parts i feel that for the most part you get what u pay for. Although my gf got some ebay catback for her 05 tiburon gt and its holding up incredibly a year and a half later.
#25