As far as I know, it DOES hold the factory exhaust open below 2500RPM (where it would normally open it)
I'll do it tomorrow (when it's not friggin 97º outside!!!)
Correction, I'll be at Fenway tomorrow :-) I'll do it Tuesday!!
"In the road of life there are Bimmers and there are Bimmers"
Mods: Full JDM lighting, APC bulbs, ///M rims, Four wheel Brembo rotors, Bilstein Touring suspension.