StylinGS300

Need all your help guys! Is there something I need to do after installing the Weapon*R intake? The reason I ask is because the car lag when I floor it. When I'm between 2500-3000rpm and floor it, the car still lag until it hit close to 4000rpm. Then it really pick up. Any advice in improving the performance is appreciated. Thanks in advance.

biggie27

yah for some reason the GS does that, if you dont have a chip in the car your gonna lose some bottom end preformnce, at least that was the case when I had the RMM intake on my GS400, but when I got the SRT intake/ECU I dont have that problem anymore. Have you reset your ECU by any chance, if not try that and see if it helps any

hubbard316

I had the same problem. I haven't found a solution to it yet though. Let me know if someone comes up with something.

StylinGS300

I reset my ECU twice. How much is the SRT intake/ECU cost? If you don't mind I'm asking. Can I just get the ECU upgrade from SRT since I have the Weapon*R intake already? Thanks for the reply.

biggie27

no unfortunalty SRT does not sell there ECU alone because it was designed to work with there intake only, but you could get a weapon R ECU or you can get a A-SFC instead and that should help the problem

RacingAristo

you would need to fine tune the fuel map again to optimize performance. S-AFC is one very general way to do it. Almost every shop with dyno jet knows how to do it.

bigbllr2000

what is an s-afc

RacingAristo

super air fuel computer (controller). For more info, do a search.

Percy

The last time I had my RMM intake installed, the car ran on the borderline lean/dangerous side. There was definite "pinging" of the engine and several techs noticed this, even with the recommended 93 octane, which is what you should use anyways. After the SRT was installed, no more pinging and throttle response has been quite good.

From what the techs told me, the "map" is only meant for the stock instake system and aftermarkets will definitely disturb the balance. About the only thing you could really do without the pinging (you need the hood up to hear it) is to install a panel filter only.

My experience of course.

Percy