We are upgrading the previous V2 and V3 SOUNDBOOSTER to the new BRIDGE V4 and SOUNDMODULE V4 for free until July 2023! This Upgrade is a plug and play upgrade and can be done fast and easily! Upgrade is worth $450! The only thing you have to do, is to write an email to: upgrade4@MHTUS.com
With MAXHAUST Exhaust Booster you are always prepared for the future and save your investment!