BMW G42 Valved Exhaust System

Maximum Sound. Maximum Flexibility.

Overview

At Valvetronic Designs, we believe the G42 deserves a soundtrack as thrilling as its performance. This exhaust system is the result of extensive development and engineering—taking lessons from our most acclaimed platforms and applying them to BMW’s latest coupe. The goal: deliver the most raw, unfiltered sound possible when you want it, and quiet refinement when you don’t.

Sound Experience

• Valves Open: Pure performance character—tons of turbo spool, aggressive overrun, and an unrestrained tone that sings from idle to redline.

• Valves Closed: Refined and docile, perfect for early morning starts or long highway drives.

• Dynamic Range: Over 25 dB difference between open and closed modes for unmatched versatility.

Performance Engineering

• Max Flow Design: A massive 3.5-inch midpipe transitions into dual mandrel-bent piping for optimal performance and sound quality.

• Precision Construction: TIG-welded from premium T304 stainless steel for strength, corrosion resistance, and a flawless finish. Also available in Grade 5 titanium

• Weight Savings: 20.9 lbs lighter than the factory exhaust.

• Dual Pneumatic Valves: Proven for exceptional longevity and rapid actuation.

• Reversible Installation: Always able to return to stock configuration.

Fitment

• 2022+ BMW G42 240i

Features

• 3.5-inch midpipe for maximum flow

• Dual pneumatic-actuated valves

• Fully mandrel-bent for unrestricted performance

• Precision TIG welds for durability

• Choice of premium exhaust tip finishes

• 100% reversible