{"product_id":"akrapovic-optional-header-titanium-bmw-r-1300-gs-e-b13e1","title":"Akrapovic Optional Header Titanium BMW R 1300 GS \/ R 1300 R (2023-2026) – E-B13E1","description":"\u003cp\u003e5.9 newton metres at 3,000 rpm. On BMW's new 1300 boxer that is barely above idle — the rev range where a loaded GS pulls away from a junction — and it is the figure that justifies a header on a touring machine.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e5.9 Nm more at 3,000 rpm, low in the working range\u003c\/li\u003e\n\u003cli\u003e4.2 PS more at 7,800 rpm, output reaching 146.9\u003c\/li\u003e\n\u003cli\u003e2.97 kg fitted against 6.24 kg standard\u003c\/li\u003e\n\u003cli\u003eHigh-grade titanium with a carbon fibre heat shield included\u003c\/li\u003e\n\u003cli\u003eLarger tube diameter than standard, catalytic converter removed\u003c\/li\u003e\n\u003cli\u003ePre-muffler tuned for a deep boxer racing tone\u003c\/li\u003e\n\u003cli\u003eNo road approval — closed course circuits only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eA Note on the Two Weight Figures\u003c\/h2\u003e\n\u003cp\u003eAkrapovic's description states a 54.84 per cent reduction of 3.4 kg. Its own technical data for the same part gives 6.24 kg standard and 2.97 kg fitted — a saving of 3.27 kg, or 52.4 per cent.\u003c\/p\u003e\n\u003cp\u003eThe two do not quite agree. We use the structured data because it names both endpoints and can be checked, and we mention the description's figure so nobody thinks we mistyped it.\u003c\/p\u003e\n\u003cp\u003eEither way the answer is the same: roughly half the weight of BMW's header assembly, and more than three kilograms off the lowest part of the motorcycle.\u003c\/p\u003e\n\u003ch2\u003eThe Heat Shield Is Included\u003c\/h2\u003e\n\u003cp\u003eA carbon fibre heat shield comes with the header. On a boxer, where the exhaust runs along the outside of the cylinders at knee height, that is not a decorative item — it is the part between a hot header and the rider's leg.\u003c\/p\u003e\n\u003ch2\u003ePeak Torque Barely Moves\u003c\/h2\u003e\n\u003cp\u003e145.7 Nm standard, 145.6 fitted. The peak is unchanged in any meaningful sense; the 5.9 Nm is the gain measured at 3,000 rpm.\u003c\/p\u003e\n\u003cp\u003eThat is the correct result for this kind of part on this kind of engine, and it is worth stating plainly rather than quoting only the larger number.\u003c\/p\u003e\n\u003ch2\u003eWhat Removing the Converter Buys\u003c\/h2\u003e\n\u003cp\u003eThe larger tube diameter and the absent catalytic converter together produce the gas flow the figures come from. They also produce the sound — Akrapovic describes a deep racing tone from the boxer — and they end any possibility of road approval.\u003c\/p\u003e\n\u003ch2\u003eAn Hour, Because It Is a Boxer\u003c\/h2\u003e\n\u003cp\u003eA boxer's cylinders point sideways, so the exhaust ports sit in the open rather than buried under a fairing. Sixty minutes is short for a header, and on the R 1300 it stays short — BMW kept the layout accessible even while adding the new engine's extra complexity.\u003c\/p\u003e\n\u003ch2\u003eThe R 1300 R As Well\u003c\/h2\u003e\n\u003cp\u003eBMW's naked R 1300 R shares the engine and the exhaust route with the GS. Both take this header, which on a part at this price makes the fitment list worth reading twice.\u003c\/p\u003e\n\u003ch2\u003eFitment and Compatibility\u003c\/h2\u003e\n\u003cp\u003eE-B13E1 covers the BMW R 1300 GS, the GS Adventure and the R 1300 R from 2023 through 2026, and pairs with the Akrapovic Slip-On Line (Titanium) for these machines.\u003c\/p\u003e\n\u003ch2\u003eRoad Approval\u003c\/h2\u003e\n\u003cp\u003eNone. Intended exclusively for closed-course competition circuits.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart number: E-B13E1\u003c\/li\u003e\n\u003cli\u003eEAN: 3831126435820\u003c\/li\u003e\n\u003cli\u003eBikes covered: BMW R 1300 GS, GS Adventure, R 1300 R, 2023 to 2026\u003c\/li\u003e\n\u003cli\u003eType of part: optional header in titanium\u003c\/li\u003e\n\u003cli\u003eIncluded: carbon fibre heat shield\u003c\/li\u003e\n\u003cli\u003eWeight: 2.97 kg fitted, 6.24 kg standard\u003c\/li\u003e\n\u003cli\u003ePower: up to 146.9 PS from 143.2 standard, read at 7,800 rpm\u003c\/li\u003e\n\u003cli\u003eTorque: 5.9 Nm more at 3,000 rpm; peak essentially unchanged\u003c\/li\u003e\n\u003cli\u003eRequires: Akrapovic Slip-On Line (Titanium)\u003c\/li\u003e\n\u003cli\u003eWorkshop time: about an hour\u003c\/li\u003e\n\u003cli\u003eApproval: none; closed circuits only\u003c\/li\u003e\n\u003cli\u003eCountry of manufacture: Slovenia\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Akrapovic","offers":[{"title":"Default Title","offer_id":53628670705930,"sku":"E-B13E1","price":185000.0,"currency_code":"ISK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7831\/0410\/files\/01_79f790e0-5d43-4962-97d7-42a120f7430a.png?v=1788548151","url":"https:\/\/inter-pace.com\/en-is\/products\/akrapovic-optional-header-titanium-bmw-r-1300-gs-e-b13e1","provider":"Inter-Pace","version":"1.0","type":"link"}