Another milestone set in the field of Active Sound enhancing the different authenticity and uniqueness in our module featuring unlimited options of settings, and various different of engine/exhaust note. Stage 4 is the latest yet and the only sound module in the market which is able to accommodate up to 4 actuators making it perfect in every situation.
 
Features:
New sounds added
Able to build in up to 4 Actuators

Note:
No modification made to your car/exhaust hence LTA Compliant and no warranty should be voided

Product is made in Germany