{"product_id":"spark-exhaust-force-3-4-kit-d-60-stainless-yamaha-r1","title":"Spark Exhaust Force 3\/4 Kit D.60 Stainless Yamaha R1 (2015-2025) GYA8878T","description":"\u003cp\u003eThe D.60 kit in stainless steel: Spark's second-step manifold, sized for the 2020-2023 R1, together with the Force silencer that keeps the whole system inside the 102 dB limit — and priced identically to the narrower D.54 kit.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e3\/4 kit for the Yamaha R1 and R1M: stainless D.60 2-into-1 manifold plus titanium Force silencer.\u003c\/li\u003e\n\u003cli\u003eSpark's D.60 system is the one optimised for the 2020-2023 model years.\u003c\/li\u003e\n\u003cli\u003eWithin the 102 dB limit required by the French championship and the Endurance World Championship.\u003c\/li\u003e\n\u003cli\u003eEliminates the catalytic converter while keeping the standard headers.\u003c\/li\u003e\n\u003cli\u003eCompatible with the passenger footrests.\u003c\/li\u003e\n\u003cli\u003eSame list price as the D.54 STEP1 kit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWithout a dB Killer\u003c\/h2\u003e\u003cp\u003eSpark states its aim for this range plainly: to deliver maximum performance and respect the noise limits without dB killers. That phrase carries more weight than it looks.\u003c\/p\u003e\u003cp\u003eA removable baffle is the usual way an exhaust manufacturer squares a loud product with a circuit's noise policy, and it works — but it is also a plug that scrutineers can see, that riders forget, and that costs power in exactly the place they paid for it. A silencer that measures inside the limit with nothing in it is a different proposition: the reading you take in the paddock is the reading you ride with.\u003c\/p\u003e\u003ch2\u003eWhy Stainless Here\u003c\/h2\u003e\u003cp\u003eThe manifold in this kit is AISI stainless rather than titanium, and it is the reason the kit costs three hundred euros less than the otherwise identical GYA8882T. The silencer is titanium either way.\u003c\/p\u003e\u003cp\u003eOn a 3\/4 system the manifold is a length of pipe under the engine that nobody sees, takes stone chips from the front wheel and gets pressure-washed after every wet session. Titanium there buys you around nine hundred grams and a material that scratches more visibly. If the bike is not chasing a class weight limit, stainless is the sober choice and the money is better spent on the silencer you actually want.\u003c\/p\u003e\u003ch2\u003eInstallation\u003c\/h2\u003e\u003cp\u003eThe standard headers stay in the fairing; only the section from the collector back is replaced. Spark lists this kit as compatible with the passenger footrests, so the pillion seat remains usable. Keep the standard mid-section and catalytic converter — refitting them is the only route back to a road-legal exhaust. The Spark installation sheet is under Downloads on this page.\u003c\/p\u003e\u003ch2\u003eFitment \u0026amp; Compatibility\u003c\/h2\u003e\u003cp\u003eYamaha R1 and R1M, 2015 through 2025. The manifold on its own is GYA8878; the titanium version of this kit is GYA8882T. The 400 mm Force silencer group with dB killer for this diameter is G00SI38T.\u003c\/p\u003e\u003ch2\u003eRoad Approval\u003c\/h2\u003e\u003cp\u003eNone. The catalytic converter is removed, which ends road legality however quiet the silencer measures. Closed circuits only.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePart number: GYA8878T\u003c\/li\u003e\n\u003cli\u003eType: 3\/4 racing kit, STEP2\u003c\/li\u003e\n\u003cli\u003eManifold: stainless steel, 2-into-1, 60 mm\u003c\/li\u003e\n\u003cli\u003eSilencer: Force, titanium\u003c\/li\u003e\n\u003cli\u003eNoise: within the 102 dB French championship and EWC limit\u003c\/li\u003e\n\u003cli\u003eCatalytic converter: removed\u003c\/li\u003e\n\u003cli\u003ePassenger footrests: retained\u003c\/li\u003e\n\u003cli\u003eFitment: Yamaha R1 \/ R1M (2015-2025)\u003c\/li\u003e\n\u003cli\u003eRoad approval: None — track use only\u003c\/li\u003e\n\u003cli\u003eManufacturer: Spark Exhaust Technology, Mantova, Italy\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Spark Exhaust","offers":[{"title":"Default Title","offer_id":53607020101898,"sku":"GYA8878T","price":8413.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7831\/0410\/files\/6798ea47486d7_c6021978-7b29-498d-a7d1-20cf8a8fa578.png?v=1788243367","url":"https:\/\/inter-pace.com\/en-hk\/products\/spark-exhaust-force-3-4-kit-d-60-stainless-yamaha-r1","provider":"Inter-Pace","version":"1.0","type":"link"}