I have a 15′ sl63 that has a ecu improve from Renntech. I’ve been imagining abut carrying out the next detail. Immediately after Talking to several different firms I’m confused so I’m happy you have this Discussion board so I will get unbiased enter. I actually want improved performance away from the car but am struggling to Believe what

Nicholas – In the event you’ve acquired the turbo engine, than yes a downpipe will allow you to. They typically insert a pretty good number of horsepower (10-twenty) and they make the turbo additional responsive as well. I don’t want it much too noisy so I’d be hesitant to switch anything else. I’m open to strategies on this. Hello