{"product_id":"hkstudie-exhaust-system-bmw-m2-g87-pre-lci-8at-hkstudie-ex004","title":"HKSTUDIE Exhaust System - BMW M2 G87 Pre-LCI 8AT HKSTUDIE-EX004","description":"\u003cp\u003eHigh-performance stainless steel exhaust system from HKSTUDIE, purpose-built for the BMW M2 G87 Pre-LCI 8-speed AT. Up to 40% less back-pressure, +5 kW gain, +35 Nm torque, refined sporty sound while staying compliant with Japanese acceleration noise regulation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned specifically for the G87 M2 (3BA-12DM30) built 2023\/3 → 2024\/9. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCode: EX004 (JAN 4957266941249)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eKey Highlights\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTail Design \u0026amp; Finish\u003cbr\u003eInspired by the legendary BMW 3.0 CSL, the dual tailpipes are slash-cut with a deep-edge finish and blasted surface for a subtle high-end sheen. Internal slits in the tail section optimise sound, giving you a unique exhaust note that stands out. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSound Engineering\u003c\/strong\u003e\u003cbr\u003eWhile many “sport” systems sacrifice refinement for volume, HKSTUDIE went deeper: using frequency-analysis and custom internal silencing they’ve managed to combine sporty character at high RPMs with quiet, comfortable cruising. The system passes Japanese acceleration noise regulations (R51-03) and features optimized layout with no restrictive mid-silencer. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Gains\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExhaust back-pressure reduced by up to 40% compared to stock. \u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDyno results: +5 kW peak power, +35 Nm peak torque (tested on stock vehicle except exhaust). \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFlow-bench confirmed enhanced exhaust flow and boost-response improvement. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Quality\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMade in Japan in HKSTUDIE’s own facility under strict process control. \u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaterial: SUS304 stainless steel. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTailpipe outer diameter: Ø101.6 mm (dual). \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePipe layout: Ø70×2 → Ø70×2 + Ø60.5×2 (optimized flow). \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMinimum ground clearance: 137 mm (at 2nd mid-pipe section). \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncludes full compliance certification and noise plate (JARI10250004P S58B30A) registered at 103 dB. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2-year or 30,000 km product warranty. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eModel: BMW M2 G87, Pre-LCI (8-speed automatic)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChassis \/ Model code: 3BA-12DM30\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEngine: S58B30A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProduction years: March 2023 – September 2024 (8AT model only) \u003cbr\u003e\u003cem\u003eNote: This system may not fit 6MT or LCI (later) versions — please contact us if your vehicle differs.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Choose This Exhaust?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePurpose-engineered for the G87 M2, not a “one-size-fits-many” kit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReal world dyno and flow-bench data show measurable performance gains.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStreet-friendly sound: refined cruising, bold when you push.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBuilt from premium materials in Japan with strong warranty backing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompliant with Japanese noise regulations — offering peace of mind for inspections.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Usage Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eProfessional installation recommended.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRetain all removed OE parts until you confirm fitment and operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAfter installation, allow for warm-up and check for any exhaust leaks or abnormal heat routing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIf you have performance tuning (ECU remap, downpipes, etc), you may see greater gains than published figures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnsure sufficient clearance from road surfaces and track-use obstacles (minimum 137 mm ground clearance at specified point) to avoid damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":48480986103908,"sku":"HKSTUDIE-EX004","price":10999.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/6260\/1060\/files\/HKSTUDIE-EX003-1-2048x1366_393444f7-490c-4bca-b292-f694f14513de.webp?v=1780026087","url":"https:\/\/kyp.com.au\/products\/hkstudie-exhaust-system-bmw-m2-g87-pre-lci-8at-hkstudie-ex004","provider":"KYP Performance House","version":"1.0","type":"link"}