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Discussion Starter · #1 ·
I'm wondering if my active exhaust might not be working properly. I've had the car (93 VR4) for about 6 months and never been able to tell an audible difference between tour and sport mode. Granted, I'm usually inside the car, so it might be hard to tell anyway.

Flipping the switch in the dash, I do hear what sounds like a motor, so I think the motor is OK. But I have heard that sometimes the valve sticks.

What really made me wonder, though, is that last night I got out of the car while it was running (it was pretty cold and I'd just started it, so the exhaust was visible) and I noticed that the exhaust only seemed to be coming from the left side. The exhaust was in sport mode at the time, so shouldn't it have been coming from both sides? Could it be that my exhaust is stuck in tour mode?

Also, have you guys noticed a difference in performance between tour and sport mode? If mine is stuck in tour, am I taking much of a performance hit? I haven't driven many other VR4s so I have no idea if mine is on par performance-wise. (It's certainly faster than my previous car, an '88 Civic!) :)
 

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Discussion Starter · #3 ·
Hmm, so you're saying the exhaust only comes out of one side when in sport mode, and both in tour mode? I figured it was the other way around... I thought that the sport/tour switch just cut off the flow of exhaust to one side when in tour mode?

If you're right, then maybe my active exhaust is working properly after all.

My main concern is that I'm not stuck in tour mode and hurting my performance.
 
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