It's the part that goes between the turbo and the downpipe and the ED one is 3", the stock one I think it's 2.25" or 2.5". The larger it is the faster your turbo is supposed to spool up, they say it's the perfect match for a downpipe.
__________________
Patriot Blue 5-Spd, Stage I, Mopar BOV, BTG Intake, Custom 3\" Turbo-Back, Spring Mod, BTG Shock Tower Brace, Vogtland Springs, Koni Shocks, Eibach Sway Bars, Azev Type M 18x8.5 wheels, Ventus K104 tires, Projector Bi-Xenon Lights, Rear spoiler, Autometer Gauges, Illuminated sill plates, K&N Oil Filter, Mopar subwoofer. Mexico City. See pics: http://www.sportcarsforum.com/forum/viewtopic.php?t=715
|