seems like not many people have the TOG or ZZP's..
speed daddy's seem to have least amount of problems? correct?
pacesetter seemed decent but then i read all about the leaking issues.

The SSAC's seem to have problems but people still like them?
"2 slip joints on cross over, U bend in dp, some had issues with 02 sensor contacting floor of car"


and "slip joints" means..... ? sorry noob on here LOL.