Unofficial Legacy GT “Stage Upgrade” Definitions in Turbo Powertrains (2.0GT, 2.5GT, 2.5XT) Posted May 28, 2007 What is it considered then with the ecu upgrade and just a catback exhaust with no UP or DP?
Unofficial Legacy GT “Stage Upgrade” Definitions
in Turbo Powertrains (2.0GT, 2.5GT, 2.5XT)
Posted