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The best of both worlds - loud and quiet...?
When I first bought my car I knew it was going to be one big to-do list. It was going to be my project car and I have had a fun time adding and removing parts that increase its potential.
An exhaust system sound on a car is controlled by a resonator and muffler. The resonator controls the raspiness of the tone of the sound. While the muffler controls the lower tone that is a rumble. You will find that the Varex System is more rasp than a lower tone, so it depends on what you looking for a lower sound or a raspy sound. Myself, I was looking fo...r a more rumble low note like my previous exhaust. The Varex Cat-Back Exhaust System for my 86 was one of my next upgrades that I was looking forward to as it allowed me to have a loud exhaust and a quiet exhaust. The whole process from buying the exhaust to physically getting it took 3 months with COVID causing long delays in stock. When the time came to install it was a big day for me and my neighbours who were getting sick of my old exhaust. Off to the DIY Garage, I went with a pile of parts in the back of my car. The install took roughly 4 hours to do as I had to modify the connection bolts on the joining front section closest to the CAT. First impressions of the quality were positive as I like the blue burnt tips and quality of welds. As seen in the photos the exhaust sound is controlled by a butterfly valve that opens and closes depending on how long you push the remote or setting on the Bluetooth controller, which I also bought later on. The remote is handy and took a bit of getting used to as I didn't know that the harder you press the remote the greater the butterfly valve opens. Everything seemed to go fine until after about 2 weeks when the exhaust valve refused to open or close. I tried both the remote and the Bluetooth controller and both did not work. The only response that was present to me was an error message "Valve calibration timeout. Please manually try to calibrate in the setting menu". Xforce told me that the message means that there is a problem with the motor or muffler. The other thing I noticed was there was a baffle rattle coming from inside the muffler when the valves were fully closed. This made the car sound less than characteristic and annoying to listen to. To make things more disappointing was the valves would without warning start to work for a day and then the next day stop working with the same error message "Valve calibration timeout. Please manually try to calibrate in the setting menu" My thoughts on this could be one of two things the motor is faulty or the fact that when the exhaust gets hot and cools down it changes the shape of the exhaust and the butterfly valve sticks.
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