The Stillen CBE is great. No drone at all, good power increase of 15+ whp, bolts right on, and is nearly as quiet as stock under about 3500rpm. Some people have complained about the tips protruding...but they are adjustable and if you don't push the rear section all the way in of course they will protrude. I have been VERY happy with it, I wanted a better sound and power but I didn't want it to be annoying when just driving around town. It looks cool too.
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Range Rover Sport Supercharged
Nissan 370z Touring + Sport
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