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*2.5” Kits will ship in just a few weeks!*






At last, A product you can fit to nearly any vehicle allowing full control over your vehicles sound. Gone are the days where you were forced to compromise. At Valvetronic Designs, we don't compromise, neither should you. Our universal mufflers are applicable to nearly all cars, trucks, SUVs.

Here is how it works:

Mufflers come with a vacuum control box and vacuum line allowing for an easy install. The mufflers install just like any muffler but plug in the valves with the supplied vacuum tubing and BOOM! you can now control your car's sound on the fly. In the past, this technology was reserved for supercars but not anymore. 

How do I install it?

Please watch this video:



Features of this Valved Muffler Kit *

  • Constructed From The Highest Quality T304 Stainless Steel

  • Vacuum Exhaust Valves With Key Fob Remote System 

  • Universal Fit (Many Applications)

  • Precision Tig Welds For High Strength And Ultimate Longevity

  • Easy install at your local exhaust shop or fabrication shop
  • 100% REVERSABLE, Always Able To Go Back To Stock At Any Time



*All the muffler dimensions are shown in the picture so you can measure and confirm fitment



Valved mufflers

  • either 1 or 2 mufflers as ordered

Vacuum Control box

  • This clever piece of kit operates the valves but internally creating vacuum and sucking the valves open on your command

Vacuum Lines

  • Vacuum tubing is supplied to connect the vacuum box to the mufflers 

Cigarette lighter power adaptor 

  • In order to connect the vacuum box to power a cigarette lighter adaptor is supplied, adaptor consists of power and ground wires and can be easily hardwired 


Optional exhaust tips are 2.5 inlet, 3.5 outlet for that perfect look, add some to your order to improve the look of the rear end of your car! 


*Modifications may be needed for some vehicles to fit!*



We have a 20-day return policy, which means you have 20 days after receiving your item(s) to request a return. Please note we charge a 25% restocking fee on all returns. To be eligible for a return, your item must be in the same original/new condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. To start a return, you can contact us at Items sent back to us without first requesting a return will not be accepted. You can always contact us for any return question at Please inspect your order upon arrival, and contact us immediately if the item is defective, damaged or if you received the wrong item, so that we can evaluate the issue and make it right.

Exceptions/non-returnable items:

Certain items cannot be returned, like sale items, perishable goods, custom products (such as special orders or personalized items), hazardous materials, flammable liquids, and/or gases. Please get in touch if you have questions or concerns about your specific item. Unfortunately, we cannot accept returns on sale items or gift cards.


The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.


We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember, it can take some time for your bank or credit card company to process and post the refund.