Exhaust Review: TopSpeed Pro-1 Catback
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Exhaust Review: TopSpeed Pro-1 Catback
![](http://i284.photobucket.com/albums/ll40/tpatt02/Mobile%20Uploads/2015-01-31%2017.12.06.jpg)
![](http://i284.photobucket.com/albums/ll40/tpatt02/Mobile%20Uploads/2015-01-31%2017.12.42.jpg)
I'm somewhat of a noob here but I would like to take a few minutes to give my take on the Exhaust I installed on my 08 X. I ordered the topspeed pro1 catback which actually comes with a test pipe which I decided not to install for now. Install was easy. I am fortunate to have access to a lift and was able to uninstall factory system and install the topspeed pro1 in about 30 minutes. I love it's deep tone during idle/wot and to my surprise it doesn't have much of a drone at all once cruising. fitment is also top notch. For $600, this is a steal. From a company that does custom exhaust for big names like Lamborghini and ferrari you expect great quality. I do have one question for the experienced: with the new piping is it supposed to emit a burning smell for a while? If not what is causing that? If there are any other questions about my purchase I will gladly answer.
-t
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I have one on mine now. Fitment and build quality were very good. I was really impressed for the price. Will be removing it and selling it shortly. Can't deal with the volume anymore! I never tried it with the factory cat. How loud is it?
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Thanks for the replies guys.
-t
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it has a nice deep tone and nice grumble at idle. Wot it gets pretty loud. But once cruising it is almost silent even at highway speeds! Of course, I am still on my factory cat so you may have different results depending on your cat location setup. The red evo videos on YouTube give a really good sample on how it sounds. I would like to do a cabin video when I get the time.
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it has a nice deep tone and nice grumble at idle. Wot it gets pretty loud. But once cruising it is almost silent even at highway speeds! Of course, I am still on my factory cat so you may have different results depending on your cat location setup. The red evo videos on YouTube give a really good sample on how it sounds. I would like to do a cabin video when I get the time.
I'm actually only removing mine because of the drone. If it didn't drone I'd keep it on there... it sounds pretty awesome at idle and WOT.
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So that must be one of the benefits of running it with the stock cat. I've run mine with the included test pipe and with a speed circuit resonated test pipe and the drone is crazy on the highway with either one (better with the resonator but not by a ton). I'd say it's fine until about 3k rpm and then you have bad drone from 3k to almost 4k. So if you are always driving at like under 50 or over 85-90 than you should be fine. That's about where you need to be to escape the "drone band."
I'm actually only removing mine because of the drone. If it didn't drone I'd keep it on there... it sounds pretty awesome at idle and WOT.
I'm actually only removing mine because of the drone. If it didn't drone I'd keep it on there... it sounds pretty awesome at idle and WOT.
-t
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But that exhaust sounds sick. Is it 3" exhaust? How big is tip?
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