Quote:
Originally Posted by Gio72
I absolutely agree with the "effects" of RES delete, but I don't agree with the function of it: there's no secondary catalytic converter inside! The RES is designed only for reducing sound and drone.
Anyway, I put on a HJS 300 cells DP and removed RES by installing a stright-line by Ragazzon (Italy), with original MPE, and I'm very happy with the sound, having experience no drone effect and a louder beautiful sound.
Yes, the cold starts are terrible and gives you problems with neighbors  |
I'm just relaying what was told to me by a company that does a good amount of R&D on our exhaust systems (AWE).
IIRC it is essentially similar to a hi-flow cat, and has the same materials inside. Agreed that it is primarily used for sound.