valve 2
exhaust valve main

Flow Smart Exhaust Valve & Controller – IOS & Android

(58 customer reviews)

$ 223.67$ 280.83

Enjoy the latest technology by using smartphone to change your exhaust tuning immediately.

iOS Android app control: 2 modes (Eco / Race)

(3 Year Product Warranty) T&C apply

In stock


Flow Smart Control Unit

$ 69.59

Universal Car Exhaust Valve (Normally Open / Closed)

$ 44.73


PRZ05126 e1607831711175


easy to install
ios and

Max Racing Exhaust Flow Smart controller is a universal fit exhaust controllable system. The Flow Smart is connect to the valves welded in the exhaust system (example as in photos below). The valve can be added to Standard Exhaust System & any custom made exhaust system, switching between ECO & RACE mode in one click on Max Racing Exhaust Flow Smart Mobile APP.

*ECO & RACE mode stand for 2 exhaust system configuration. You may custom pair with ANY  exhaust muffler / catback system to your preferred exhaust sound.

How to install?

How to install?

  1. Bring ordered parcel to any of your local exhaust workshop.
  2. Request/ Perform welds the valve at the suggested location.
  3. Install the controller at best compartment (best suggested in rear trunk or under seat).
  4. Plug in the 12v adaptor to nearest port.
  5. Link the provided silicon hoses to the valve.


Is it suitable for my car?

This Exhaust Valve Controller is universal fit for all exhaust system, including stock exhaust system.

Where to install the valve?

all model

Why us?

20 years of expertise in performance car exhaust
development, production and supply.

Up to 6000+ model developed for different car in every condition.

Manufacturer-to-consumer shoppers get direct access to the most accurate information and support.

“And it’s guarantee authentic.”

  • – Gary Teo

Ready stock item

Process to shipment in 2 working days.

schedule production

Backorder item

Confirmed order will be schedule production & ship out in 7-14 working days,

please be patience while waiting your order.


Where do you ship from?

All shipment are prepared & send out from Penang, Malaysia.

Raw > Sketch > Craft > Engineered > Performance

Raw > Sketch > Craft > Engineered > Performance

Flow ship and install

58 reviews for Flow Smart Exhaust Valve & Controller – IOS & Android

  1. Edward Tan (verified owner)

    love it so much

  2. Najib Jabi (verified owner)

    Took off the HKS muffler because of powerlost, and I found Max Racing introduced by my friend Jose, overall, Max Racing give more power and better sound!

  3. Jackson (verified owner)

    love the sound!

  4. Taseen (verified owner)

    Barang hari ketiga sudah sampai, pasang sendiri..

  5. James Chu (verified owner)

    item smpi dengn selamat, tq seller.

  6. Lawrance (verified owner)

    tq boskur 👍👍👍👍

  7. Bob (verified owner)


  8. Rose (verified owner)

    sound are good

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