# Fi EXHAUST Pro — Experience the Passion

> Bluetooth exhaust valve control and ECU diagnostic code removal for cars. (iPhone/iPad app by Frequency Intelligent Exhaust Co. LTD.)

- Source: https://appshunter.io/ios/app/fi-exhaust-pro/id1515653352 (this page in markdown: same URL + `.md`)
- Developer: [Frequency Intelligent Exhaust Co. LTD](https://appshunter.io/developer/1191737344)
- Category: Lifestyle
- Price: Free
- Rating: 3.67/5 from 3 App Store ratings
- Age rating: 4+
- Requires: iOS 12.0 · 39 MB
- Languages: English
- Released: 2020-07-01
- Data updated: 2026-07-31
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/fi-exhaust-pro/id1515653352/reviews.md

## What is Fi EXHAUST Pro?

Fi EXHAUST Pro App is developed for Frequency Intelligent Exhaust high performance valvetronic exhaust systems. The App allows users to control and customize exhaust valve switch using Bluetooth.

Special Features
More detailed customization features
1. Choose between Engine RPM, Speed or Turbo Boost to automatically open and close the valve/s. Automatic valve mode preferences can be set based on driving habits or special circumstances.
2. Open and close the exhaust valve/s manually.
3. Set default valve mode on engine start up. 
4. Customize what 2 buttons on the physical remote do. 

High-accuracy and reliable debugging function
Because the Fi EXHAUST Pro App is paired with an Fi Pro Version, it can help detect and remove diagnostic trouble codes from the car’s Engine Control Unit (ECU) like check engine light (CEL) with a one-click bug removal function.

Smart and intuitive interface
We look forward to Fi EXHAUST Pro App becoming your best partner on your aftermarket modification journey. The app intelligently remembers your settings, automatically connects to the Bluetooth control box after first time pairing and interactive interface design is joy to use. Every time the App launches it’s like a pleasant conversation between Fi EXHAUST and your car.

## Key features

- Bluetooth exhaust valve control
- Automatic valve modes (RPM, Speed, Turbo)
- Manual valve operation
- Customizable remote buttons
- One-click ECU diagnostic code removal
- Smart interface remembers settings


## Frequently asked questions about Fi EXHAUST Pro

### How does Fi EXHAUST Pro control exhaust valves?

Fi EXHAUST Pro uses Bluetooth to connect to your car's valvetronic exhaust system. You can then manually open or close the valves, or set automatic modes based on engine RPM, speed, or turbo boost.

### Can Fi EXHAUST Pro clear check engine lights?

Yes, Fi EXHAUST Pro has a high-accuracy debugging function that can detect and remove diagnostic trouble codes (DTCs) from your car's Engine Control Unit (ECU), including check engine light (CEL), with a one-click removal feature.

### What devices does Fi EXHAUST Pro support?

Fi EXHAUST Pro is available for iPhone and iPod devices.

### How often is Fi EXHAUST Pro updated?

The latest version of Fi EXHAUST Pro is 1.5, which was last updated on December 16, 2020. This indicates infrequent updates.

### What is the user sentiment for Fi EXHAUST Pro?

Based on the provided data, Fi EXHAUST Pro has a rating of 3.7 stars from 3 ratings, suggesting mixed to moderate user satisfaction.

### Does Fi EXHAUST Pro have ads?

No, Fi EXHAUST Pro does not contain advertisements.

### What is the age rating for Fi EXHAUST Pro?

Fi EXHAUST Pro has an age rating of 4+, making it suitable for a wide audience.

### Can I customize the buttons on the physical remote with Fi EXHAUST Pro?

Yes, the app allows you to customize the function of two buttons on the physical remote control for your exhaust system.

## Version history (last 5 releases)

### 1.5 — 2020-12-16

1. Fix Bugs

### 1.4 — 2020-09-30

1. Update Speed Unit from KM/ML to KM/MI

### 1.3 — 2020-09-25

1. icon replaces
2. modify content for warning and button
3. replace KM/ML to KM/MI

### 1.2 — 2020-08-06

1. Fix a bug that can cause disconnection
2. Correct the icon of DIAGNOSTIC

### 1.1 — 2020-07-28

1. Fix Bugs
2. Correct App's Name

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## More apps by Frequency Intelligent Exhaust Co. LTD

- [Fi Exhaust](https://appshunter.io/ios/app/fi-exhaust/id1179987177)

All apps by Frequency Intelligent Exhaust Co. LTD: https://appshunter.io/developer/1191737344

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-31.*