This RACING GPF-Back Titanium Sport Exhaust (SKU: 081021 1510TI-1) is designed specifically for BMW M3/M4 Competition Touring (G234M, 2021+) models, compatible with both GPF and non-GPF configurations. The system features a high-flow 76mm titanium tubing (increased from factory 70mm) with integrated valves that maintain operation through the vehicle's original actuators and onboard electronics. Handcrafted in Austria from full titanium construction, this exhaust delivers an aggressive racing sound, significant weight reduction, and performance gains through low back pressure design. Please note this system requires cutting the original exhaust and lacks ECE type approval, making it intended solely for racing/closed-road use. Mounting kit 081021 1200 is not required for installation.
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Product Specifications:
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SKU: 081021 1510TI-1
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GPF-Back Titanium Sport Exhaust System
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Compatible with BMW M3/M4 Competition Touring (G234M, 2021+)
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Works with both GPF and non-GPF configurations
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Technical Details:
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Tube diameter: 76mm (increased from factory 70mm)
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Full titanium construction
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Integrated valve system using factory actuators
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Uses original mounting points
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Mounting kit 081021 1200 not required
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Performance Features:
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Aggressive racing sound profile
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Reduced back pressure for performance increase
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Lightweight titanium construction
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Perfect shape and fitment
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Handmade in Austria
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24-month manufacturer warranty
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Installation & Legal Notes:
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Requires cutting original exhaust system
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No ECE type approval
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Intended for racing/closed-road use only
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Not permitted for public road use
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ECU tuning recommended for optimal performance
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Tail Pipes: Titanium tail pipe set: 4 tail pipes OPT with OnePieceTechnology Ø 100mm, L=140mm titanium brushed or titanium black PVD coated, 333g incl. full titanium clamp and titanium screw

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