[Chowster]

Originally Posted by pride355

That's right. I went for slip-on from EVO. That intake resonance between 3000-4000 rpm was the main reason. I still couldn't figure out the reason of this resonance.

Also at low rpms the car was more bassy, and when the windows were closed, that bassy sound annoyed me more than just slip-on makes. Downshifts were louder especially in S4-5-6 mode on DKG equipped cars.

Moreover, I noticed that EVO system has increased my fuel consumption by approx. 20%. I'm not sure about the reason but I'm not imagining.

Great info. Thanks.