Varex Technology | Varex Control | Varex Kit | Mufflers | Multimedia
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VAREX mufflers combine both the design technology of the stock muffler and the performance muffler into one single compact unit. A sophisticated butterflyvalve mechanism is implemented to redirect the exhaust gas flow and vary be-tween the two.
For higher sound level, the exhaust flows are directed through the opening path and produces maximum power with a robust sound level (or the “sports car note”) and near-zero resistance. Whilst for lower sound level, the exhaust flows are directed through the chambered path (similar design with the stock muffler), and produces minimum sound level that gives you the best in-car comfort.
Angle of the valve is also controllable, which can be adjusted to stop at any point between sports mode and silence mode. This gives you further freedom to set the optimal sound level according to your desired preference.
Complete Varex Muffler Kit includes:

VAREX Motor and gear sets are located on the top of the muffler, they work as an integrated unit to drive the butterfly valve open and close.
The dimensions of the motor and gear box are typically manufactured to 4.5cm(H) x 10cm(W) x 20cm(L)
*Dimensions may vary depending on model
VK01
VK02
Dual control kit. It shares the same components as VK01 except having two connecting Plugs for dual VAREX mufflers
VK05 (Trial Version)
Automatic control kit which features an extra function that can adjust the volume automatically according to the pre-set RPM by users.


Setting your Varex muffler in 'Street mode' enables lower sound levels and maximum discretion, as exhaust gases are directed through a chambered path as would a 'stock' muffler
*Graphics are for illustration purposes only, actual product may vary

For greater power output and sound level, exhaust gases are directed through the opening path and produce maximum power with a robust sound level (or the 'sports car' note) and near-zero resistance.
*Graphics are for illustration purposes only, actual product may vary

As the angle of the valve is infinitely adjustable, it can be adjusted to stop at any point between sports mode and silence mode. This gives you further freedom to set the optimal sound level according to your desired preference.
*Graphics are for illustration purposes only, actual product may vary
Below is a diagram which shows the basics of the Varex muffler kit:

Click an image to see it larger.
Here you will find all of our video clips showcasing the performance and sound of our awesome Varex Mufflers with remote volume control!
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VAREX Exhaust system for Holden VE CommodoreVAREX Exhaust system for Holden VE Commodore SS/SSV, HSV E-Seriers GTS/Clubsports R8/Maloo. |
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Varex™ Universal Remote Control MufflersIgnition DVD takes a look at the new noise reducing Varex™ Remote Control Mufflers from XFORCE exhausts, available for a range of makes and models. |
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VAREX on 200SX S15Mighty Car Mods show you a variety of sound comparisons of the full 3 inch exhuast, with Varex Muffler by X-Force on their S15. |