Valvetronic Catback Exhaust for BMW S58 X3M, X4M

PHP Valvetronic Cat-Back Exhaust System

Fits: BMW X3M (F97) & X4M (F98) — 2019 to Present
Estimated Power Gains: +12–18 HP / +15–20 lb-ft Torque

Unleash the full sound and performance potential of your BMW S58-powered SUV with the PHP Valvetronic Cat-Back Exhaust System. Designed to fit both the X3M and X4M platforms, this system offers an aggressive tone under throttle while maintaining refined sound during cruising—thanks to integrated Valvetronic valve control.

Constructed from premium T304 stainless steel, it provides a perfect balance of durability, flow, and weight savings. Whether you're daily driving or tracking your M-powered SUV, this cat-back exhaust delivers deeper tones, sharper throttle response, and real-world power gains.

Key Features:

• Average power gains: +12–18 horsepower / +15–20 lb-ft of torque

• Valvetronic valve system for adjustable sound profiles

• T304 stainless steel with mandrel bends and TIG welds

• Choice of polished, black chrome, or burnt titanium tips

• Direct bolt-on fitment — no cutting or welding required

• Compatible with OEM valve motor system for factory-like functionality

• Aggressive startup + dynamic sound modulation with throttle input

Compatible Vehicles – Please Select Below:

• BMW X3M (F97) – 2019 to Present

• BMW X4M (F98) – 2019 to Present

Note:
While the system is engineered for both models, be sure to select the correct vehicle when ordering to ensure proper tip alignment and rear valence compatibility. Questions about fitment or installation? Reach out through the PHP support portal — we’re here to help.