Cheap Valvetronic Exhaust Review - Perfect Solution?

There looks to be two types of Valvetronic exhaust mufflers on Aliexpress. One which is restrictive with the valve closed and one which isn't. I don't know how you can tell which is which from the product listing, I think it's down to luck. The one in this video is the restrictive type. I don't recommend the restrictive one unless you have a way of opening the valve gradually. If you can find a non restrictive muffler, they should be good. The exhaust is this video https://s.click.aliexpress.com/e/_DlL... Example of non restrictive valvetronic muffler with valve closed    • Budget VALVETRONIC Exhaust Review / Instal...   It has the holes all around the main pipe leading into muffler Article https://strikeengine.com/valved-exhau... Another example of an valved muffler which is less restrictive than one I used in the video    • $180 eBay valved muffler install and modif...   The exhaust tip I used https://s.click.aliexpress.com/e/_DlL... Music May - Terminus    • MAY - Terminus [Creative Commons]   Cult of the Skull Karl Casey @ White Bat Audio    • Free DEATH METAL Music - Cult of the Skull...   Music: Open Up by Beat Mekanik is licensed under a Creative Commons License. https://creativecommons.org/licenses/... Support by RFM - NCM: https://bit.ly/2xGHypM - ========== ►SUBSCRIBE to DriveTune - New Video Every Sunday Morning    / @drivetunemedia   ========== StrikeEngine TV Videos from some of the best car YouTubers Daily Highlights, Updated Every Morning - https://strikeengine.com/ Motorsport TV - https://strikeengine.com/motorsport-tv/ Car Review TV - https://strikeengine.com/car-tv4/ Car VLOGs TV - https://strikeengine.com/car-life-tv/ Car Podcast TV - https://strikeengine.com/car-podcasts/ ========== ----NEW VIDEO EVERY SUNDAY MORNING---- ►SUBSCRIBE    / @drivetunemedia   ========== Essential Tools Car Scanner OBD2 App - https://strikeengine.com/obd2-scanner... OBD2 Bluetooth Dongle - https://strikeengine.com/obd-code-rea... ========= 0:00 Exhaust sounds 0:24 The valved exhaust in this review 1:44 How these valved exhaust mufflers work 2:05 How does this valved exhaust perform? 3:03 Why I choose a valved exhaust 4:08 A no-brainer? 5:19 Overcoming the problem 6:24 Putting all in a box 7:15 Alternate solutions #exhaustsound #valvetronicexhaust #valvedmuffler #valvedexhaust #exhaustvalvecontrol