exhaust_flap_removal

Exhaust Flap

The Exhaust Flap is a crucial component installed within the final muffler of a vehicle. Its primary purpose is to reduce noise during cold start conditions, which can often be louder and more disruptive. This valve helps to create a more pleasant auditory experience, especially in residential areas or during early morning starts.

However, for those who prefer a more aggressive sound profile or who wish to enhance their vehicle’s performance, there are options available to modify or disable the exhaust flap’s function. When the AutoHex module solution is applied, the exhaust flap will remain open under all conditions. This modification allows for a more consistent exhaust note, which can be particularly appealing to enthusiasts looking for a sportier sound.

Additionally, this solution is particularly beneficial when the final muffler has been removed or replaced, as it ensures that the exhaust system can operate without the constraints of the flap. In some vehicles from the VAG (Volkswagen Audi Group) lineup, the exhaust flap is also controlled by the selection of Sport Mode. When in Sport Mode, the vehicle typically enhances performance characteristics, including exhaust sound.

By utilizing the AutoHex module to keep the exhaust flap open, drivers can enjoy a more robust and dynamic exhaust note, regardless of driving conditions or modes. This flexibility not only enhances the driving experience but also allows for greater customization of the vehicle’s sound profile, making it an attractive option for automotive enthusiasts and those looking to personalize their vehicle’s performance.

Car Brand
ECU Producer

Other modules

Active Cylinder

5

Active Grill Shutter

74

Adblue

129

BMS

1

Boost Sensor

15

Checksums

836

Cold Start Noise Reduction

33

DPF

228

DTC

428

EGR

321

Evap

110

Exhaust Flap

96

Gearbox Revlimiter

12

Gearbox Torque

17

Glow Plug

179

GPF/OPF

50

Hardcut Popcorn

75

Hot Start

222

IMMO

2

Kickdown

1

Lambda

424

Launch Control

34

MAF

67

NOx

7

Oil Pressure Fix

4

Readiness

176

Revlimiter

82

SAP

89

Speed Limiter

289

Sports Display

21