SKU: S-BM/TI/33H / UPC: 3831126422110
Akrapovic Titanium Slip-On Exhaust System for 2021+ BMW M3 (G80/G81) and M4 (G82/G83)
Improve Your 2021+ BMW M3 or M4’s driving dynamics with the Akrapovic S-BM/TI/33H Titanium Slip-On Line exhaust system. Designed specifically for the G80/G81 M3 sedan (including xDrive) and G82/G83 M4 coupe/convertible, this direct-bolt-on upgrade transforms the stock exhaust into a high-flow powerhouse. BMW M3 and M4 owners turn to this system for its proven ability to extract every bit of potential from the S58 twin-turbo inline-six engine, delivering measurable gains that surpass factory limitations and rival aftermarket alternatives. With dyno-tested improvements in horsepower, torque, and reduced mass, it stands as the clear choice for drivers prioritizing track-ready response and daily drivability.
Key Performance Gains and Engineering Highlights
Tested on the Akrapovic dyno against a stock BMW M4 Competition, the S-BM/TI/33H yields:
- Power Increase: +8.0 kW (+10.9 hp) at 6,000 rpm
- Torque Boost: +13.9 Nm at 5,000 rpm
- Weight Reduction: -8.3 kg (35% lighter than the OEM exhaust)
Crafted from premium-grade titanium for enduring heat resistance and structural integrity, the system’s innovative octagonal endcaps, formed through advanced manufacturing, enhance exhaust flow while maintaining a compact profile. The result is sharper throttle response, quicker acceleration, and a broader powerband that feels alive across the rev range. Paired with the BMW’s active valve technology, it produces a deep, resonant tone with high-frequency harmonics in the upper RPMs, blending aggressive sportiness for spirited drives with refined comfort for highway cruising no unwanted drone or cabin intrusion.
This ECE-approved system complies with European emissions standards, ensuring street-legal installation worldwide. Its bolt-on design integrates seamlessly with the factory mid-pipe and catalytic converters, preserving warranty considerations where applicable.
Exact Vehicle Fitment
Compatible exclusively with:
- BMW M3 (G80 Sedan): 2021–2025 models, including Competition and base variants
- BMW M3 (G81 xDrive Sedan): 2022–2025 models
- BMW M4 (G82 Coupe): 2021–2025 models, including Competition and base variants
- BMW M4 (G83 Convertible): 2022–2025 models
Not compatible with prior-generation BMW models or non-S58 engine variants. Professional installation recommended; estimated mount time is 4 hours with standard tools.
What’s Included in Your Purchase
Every S-BM/TI/33H kit arrives complete with:
- Titanium rear silencer/muffler assembly (pre-assembled with integrated valves for sound modulation)
- Stainless steel mounting hardware and clamps for secure, vibration-free fitment
- Comprehensive installation instructions (digital and printed)
- Akrapovic authenticity certificate and warranty documentation (limited lifetime on materials, subject to proper installation)
Note: Carbon-fiber tailpipe tips are not included and must be purchased separately (compatible options: Akrapovic TP-CT/69 or OEM-style equivalents) to complete the aesthetic.
Technical Specifications
- Part Number: S-BM/TI/33H
- UPC: 3831126422110
- Material: High-grade titanium (T304) with internal reinforcements for durability
- Finish: Brushed titanium with laser-etched Akrapovic logo
- Sound Profile: Valved system for switchable modes, quiet for compliance, full-throated for performance
- Emissions Compliance: ECE homologated (E-marked for noise and emissions)
- System Weight: 14.7 kg (net, excluding tips; -8.3 kg vs. stock)
Shipping and Packaging Details
- Product Net Weight: 14.7 kg
- Shipping Weight: 30 kg (includes protective packaging)
- Box Dimensions (L x W x H): 210 cm x 135 cm x 37 cm
- Packaging: Securely crated in foam-lined, export-grade carton to prevent transit damage
Invest in the Akrapovic S-BM/TI/33H for a BMW M3 G80 or M4 G82 exhaust that redefines what’s possible raw power, sculpted sound, and lightweight agility in one cohesive package. Search no further for the definitive titanium slip-on upgrade; this is the system that discerning BMW drivers rely on to unlock their car’s full potential. Order yours today and experience the difference precision exhaust engineering makes.
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