Want full control over your exhaust sound? The Arlows Exhaust Flap 102mm (4") ? open default position is the premium universal retrofit solution for your car or motorcycle.

The flap unit is simply welded into a straight section of the exhaust. The flap opens/closes via vacuum, which can be easily taken from the intake manifold. A suitable connection kit for remote control is available in our shop. This gives you the option of a bypass system ? loud or quiet at the push of a button.

Note: There are two versions of this flap.
Version 1: Closed default position (opens with vacuum)
Version 2: Open default position (closes with vacuum) ? this version.

- Universal retrofit for cars and motorcycles

- Welds into straight exhaust pipe section

- Vacuum control (intake manifold) or remote control

- Push-button bypass: loud or quiet driving

- Premium, heavy-duty construction

- All parts made of stainless steel

- Uniball bearing mechanism for precise operation

- Arlows premium quality ? track proven

HERE YOU FIND ALL MATCHING EXHAUST CLAMPS