G8X M3 | M4 Catback Exhaust System w/ Valves F1 Style Diffuser BMW M3 • Consistent carbon fiber weave

• Consistent carbon fiber weave alignment

Bumper removal required for proper installation

In-Stock in Southern California

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G8X M3 | M4 Catback Exhaust System w/ Valves F1 Style Diffuser BMW M3 • Consistent carbon fiber weaveG8X M3 M4 Catback Valved Exhaust System Unleash a Deeper, More Aggressive Roar In Stock in Southern California Ships Within 1 2 Business Days Transform your G8X M3 or M4's sound with our 3. 5" Single Mid routed Fully Valved Exhaust. Experience a dramatically deeper, more resonant exhaust note that truly unleashes the S58 engine's potential without having to cut into your factory exhaust. Deeper, More Aggressive Sound: Say goodbye to the muted factory