Bomiz BMW F8x M3/M4 Valved Exhaust System

Specifications 2.75" Full SS304 Tubing X Pipe At the Top to equalize the flow and reduce drone H Pipe Later on for sound enhancement Electronic Valves for Rapid Open/Close Bolts to OEM and Aftermarket Downpipes Custom sized Carbon Fiber Exhaust tips   What's Included Full Catback Exhaust System Necessary Hardware and Clamps 4x Exhaust Tips Installation Instructions Fitment BMW F80 M3 2015 - 2020 BMW F82 M4 2015 - 2020 BMW F83 M4 2015 - 2020   *Competition use only WARNING: Please note that certain aftermarket exhaust systems may not comply with applicable US (including California) laws and regulations, and may therefore be prohibited for use on highways or roads, or on roads or vehicles otherwise subject to emissions control requirements. California prohibits the use of any aftermarket exhaust system that modifies, removes or replaces original equipment catalysts, unless CARB has issued an Executive Order as to such part or system. BOMIZ parts or exhaust systems/components u