Hi I have a jdm 2+2 TT been shopping for an exhaust system for months now. Here's what I found local made (recomended by the hot rod guys) 2.5" squish bent $780 (plus instaling my dp's)thats from the DP's back. Custom ordered mandrel bent not stainless pipe $1500 installed (including installing my DP's) should I just get 3" squish bent for prob another $100 so $900 or does the mandrel bent make a $700 diffrence? I will be running stock turbos ASh chip and AVC-R plus a single POP Also do I need resanators (sp?)? Thanks aace