thermal is good...but not the best IMO. the greddy EVO is my favorite, and im starting to like the apexi N1 as well.
for a header, you should get either DC sports or Greddy. Greddy is more expensive but i believe they are slightly better and they are certainly of better quality than DC
for a header, you should get either DC sports or Greddy. Greddy is more expensive but i believe they are slightly better and they are certainly of better quality than DC