{"product_id":"spark-exhaust-titanium-header-with-exhaust-valve-honda-cbr-1000-rr-r","title":"Spark Exhaust Titanium Header with Exhaust Valve Honda CBR 1000 RR-R (2024-2026) GHO8850","description":"\u003cp\u003eA titanium exhaust valve, in a titanium header. Spark's Evo 2025 headers for the 2024-2026 CBR 1000 RR-R can be had with a valve made entirely of titanium — the configuration for riders who want the noise level under control without giving up flow when it is open.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFull titanium header with exhaust valve for the Honda CBR 1000 RR-R, 2024 to 2026.\u003c\/li\u003e\n\u003cli\u003eValve entirely made of titanium.\u003c\/li\u003e\n\u003cli\u003e1-2 and 3-4 crossovers, CNC-machined titanium bushings.\u003c\/li\u003e\n\u003cli\u003eHeaders dimensioned specifically for the 2025 engine.\u003c\/li\u003e\n\u003cli\u003eSupplied without a link pipe or silencer.\u003c\/li\u003e\n\u003cli\u003ePart of the original fairing must be removed to fit it.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat an Exhaust Valve Does\u003c\/h2\u003e\u003cp\u003eA valve in the exhaust is a variable restriction. Closed, it narrows the path and drops the noise level and the low-rpm gas velocity; open, it gets out of the way entirely.\u003c\/p\u003e\u003cp\u003eThat is a different tool from a pre-silencer or a longer case, both of which are fixed. A valve lets one exhaust be two: quiet enough for a sound check or a warm-up lap, and unobstructed everywhere else. Spark offers both routes on this header platform — the valve here, the pre-silencer in the GHO8849T system — and states that either brings the level into line with the new regulations for European circuits.\u003c\/p\u003e\u003ch2\u003eTitanium, Including the Moving Part\u003c\/h2\u003e\u003cp\u003eSpark specifies the valve as entirely titanium, which is worth noting because a valve is the one component in an exhaust with a moving part in the gas stream.\u003c\/p\u003e\u003cp\u003eSteel butterflies in exhausts are common and they survive, but titanium expands less with heat and does not scale the way steel does, which matters for something that has to keep rotating in its bore after a thousand heat cycles. It is a more expensive way to build the part and the reason this header costs five hundred euros more than the plain one.\u003c\/p\u003e\u003ch2\u003eThe Header Alone\u003c\/h2\u003e\u003cp\u003eThis is the front section only — no link pipe, no silencer. Spark sells the Evo 2025 range that way so a rider can pick the header configuration and the back half independently.\u003c\/p\u003e\u003cp\u003eBehind it go the titanium link pipe SGHO8847*01 or the pre-silenced SGHO8849*01, and then one of the silencer groups. The carbon heat shield that protects the boot from the link pipe comes with the complete systems.\u003c\/p\u003e\u003ch2\u003eFitment \u0026amp; Compatibility\u003c\/h2\u003e\u003cp\u003eHonda CBR 1000 RR-R, 2024 through 2026. The header without the valve is GHO8847; with the link pipe included it is GHO8847R. The complete system with a pre-silencer instead of a valve is GHO8849T.\u003c\/p\u003e\u003ch2\u003eRoad Approval\u003c\/h2\u003e\u003cp\u003eNone. A valve changes the noise level, not the certification — the header carries no EC certificate and no catalytic converter. Closed circuits only.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePart number: GHO8850\u003c\/li\u003e\n\u003cli\u003eType: Racing header with exhaust valve, Evo 2025\u003c\/li\u003e\n\u003cli\u003eMaterial: full titanium, including the valve\u003c\/li\u003e\n\u003cli\u003eCrossovers: 1-2 and 3-4\u003c\/li\u003e\n\u003cli\u003eCouplings: CNC-machined titanium bushings\u003c\/li\u003e\n\u003cli\u003eLink pipe and silencer: not included\u003c\/li\u003e\n\u003cli\u003eInstallation: part of the original fairing must be removed\u003c\/li\u003e\n\u003cli\u003eFitment: Honda CBR 1000 RR-R (2024-2026)\u003c\/li\u003e\n\u003cli\u003eRoad approval: None — racing 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":53607390839050,"sku":"GHO8850","price":25422.0,"currency_code":"MAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7831\/0410\/files\/GHO8850.png?v=1788436362","url":"https:\/\/inter-pace.com\/en-ma\/products\/spark-exhaust-titanium-header-with-exhaust-valve-honda-cbr-1000-rr-r","provider":"Inter-Pace","version":"1.0","type":"link"}