Premium 304-stainless exhaust system for BMW M2 G87 LCI 8AT – up to 40% less exhaust resistance, +5 kW / +35 Nm gain, road legal & deep sport sound.

Why Upgrade to HKSTUDIE EXHAUST?

Transform your BMW M2 G87 LCI 8AT with HKSTUDIE’s flagship performance exhaust. Engineered in-house in Japan, this system is designed to deliver a crisp, refined sport-tone under load while maintaining daily comfort and compliance. With a dedicated layout (no restrictive sections), our design reduces exhaust back-pressure by up to 40% vs OEM. 
This results in up to +5 kW peak power and +35 Nm peak torque in testing on the stock 8AT vehicle.

Key Features

• Vehicle fitment: For BMW M2 G87 LCI (8-speed automatic) from Oct 2024, engine S58B30A. Code: HKSTUDIE-EX005.

• Material: SUS304 stainless steel throughout, ensuring high durability & corrosion resistance.

• Tailpipe Design: Inspired by the legendary BMW 3.0 CSL. Thick-walled dual exit, slash cut tips, blasted finish for muted gloss and aggressive edge. 

• Sound & Compliance: Meticulous frequency tuning used to suppress under-100 Hz low rumble while enhancing the mid-to-high tone (200-600 Hz) for that sport-car surge. 

• Legal-Use Ready: Passes Japanese acceleration noise regulation (JARI No. JARI10250005P S58B30At) and suitable for road-use with no extra restrictions.

• Performance Gains:

  • Exhaust resistance reduced by up to 40% thanks to open-layout main silencer & optimised pipe design. 

  • Measured power increase: +5 kW, torque +35 Nm over OEM in test vehicle with only the exhaust changed.

• Sound Quality: At idle and cruising, the tone remains comfortable; when you press the throttle it unleashes a full-bodied sport sound without booming or drone. 

• Installation Info: Direct fit for the specified model and year. Retains stock mounting points; ground clearance 137 mm at second mid-pipe. 

• Warranty: 2-year / 30,000 km warranty when installed per OEM style by an accredited workshop.

Benefits to You

• For the performance-oriented driver: Feel sharper throttle response, better sound, improved engine rev/recovery feel.

• For the discerning owner: Enjoy precision engineering, refined sport tone, premium finish tailored to the iconic M2 silhouette.

• For daily usability: A sporty exhaust that still behaves on the street – no overwhelming drone, stays within regulatory noise limits, safe for use on public roads.

• Outcome: A car that looks sharper, sounds more aggressive, and performs better — while keeping that refined, usable feel.

Fitment & Compatibility

• Vehicle: BMW M2 G87 LCI (post-2024/10)

• Transmission: 8-speed automatic (8AT)

• Engine: S58B30A

• Code: HKSTUDIE-EX005

• NOTE: Confirm your VIN and model year before ordering. For any questions on fitment or workshop support, contact us.

Install & Notes

• We recommend installation by a qualified performance exhaust or BMW specialist: torque specs, heat-shield verification and test drive included.

• After installation, it’s advisable to check for exhaust tip alignment and ground clearance.

• For optimum performance gains, leave the ECU in stock or tune optionally — gains may vary depending on other modifications.

• Always comply with local road-use regulations. While this system meets Japanese noise regulation, check your local state (Australia) requirements for modifications.

• Pictures are for illustrative purposes; actual finish may vary slightly.