BMW M3/M4 G8X Valved Catback Exhaust System

Applications: 2021+ BMW M3 (G80) / M4 (G82/G83)

Unleash the full potential of your G8X platform with Momentum Motorsports’ precision-engineered catback exhaust system. Built to deliver maximum performance, aggressive tone, and OEM valve integration, this system transforms your driving experience while retaining everyday usability.

Available in ultra-lightweight T5 grade titanium or premium T304 stainless steel, both variants are designed for enthusiasts who demand the perfect balance between raw motorsport sound and refined street comfort.

Key Features:

• OEM Valve Integration – Seamlessly connects to factory valve controls for quiet or aggressive modes at your command

• Precision Mandrel Bends – Optimized flow for horsepower and torque gains across the powerbandBMW G83 M4 Performance Parts
  

• Aggressive Tone – Deep, exotic exhaust note with signature Momentum Motorsports sound profile

• Bolt-On Installation – Direct fit, no cutting or permanent modifications required

• Premium Construction – Available in:

  • T5 Grade Titanium – Ultra-lightweight, race-inspired finish with distinctive blue/purple heat coloration

  • T304 Stainless Steel – Heavy-duty, corrosion-resistant durability with polished finish

• Quad Tips – Offered in carbon fiber, titanium burnt, or black finishes

Options:

• Titanium (T5 Grade) Catback – Built to order, ETA ~3–4 weeks

• Stainless Steel (T304) Catback – Built to order, ETA ~3–4 weeks

Disclaimers:

• For off-road / race use only

• Professional installation recommended