{"product_id":"akrapovic-slip-on-line-stainless-steel-bmw-f-450-gs-s-b4so4-hhlssbl","title":"Akrapovic Slip-On Line Stainless Steel BMW F 450 GS (2026) – S-B4SO4-HHLSSBL","description":"\u003cp\u003eStainless steel, not titanium — and on this motorcycle that is the right choice rather than the cheap one. The F 450 GS is BMW's new entry into the small adventure class, bought by riders on an A2 licence who will use it on gravel and in winter. Stainless takes salt, stone chips and a low-speed fall better than a thin titanium wall does.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-grade stainless steel construction, coated black on both muffler and heat shield\u003c\/li\u003e\n\u003cli\u003eDouble imprint design on the muffler: a dynamic look that also adds strength for demanding conditions\u003c\/li\u003e\n\u003cli\u003eMonochrome laser-engraved logo rather than a sticker\u003c\/li\u003e\n\u003cli\u003e0.6 PS (0.4 kW) more at 9,300 rpm and 0.3 Nm more at 6,500 rpm\u003c\/li\u003e\n\u003cli\u003eDeep, sporty and full sound, tuned to the single-cylinder engine\u003c\/li\u003e\n\u003cli\u003eEC and ECE type approved\u003c\/li\u003e\n\u003cli\u003eOne of the first aftermarket exhausts available for this model\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eThe Double Imprint\u003c\/h2\u003e\n\u003cp\u003eTwo pressed patterns run along the muffler body. The visual effect is the obvious part; the structural one matters more. A wall shaped this way carries load better than a flat one, which is why Akrapovic specifies it for a machine expected to spend time away from tarmac and to be picked up off the ground more than once in its life.\u003c\/p\u003e\n\u003ch2\u003eHonest About the Numbers\u003c\/h2\u003e\n\u003cp\u003e0.6 PS and 0.3 Nm are small. They are what Akrapovic measured on its own dyno against a standard F 450 GS, and there is no case for dressing them up. What you are buying here is the finish, the sound and the durability of a coated stainless system on a bike whose standard exhaust is a plain steel box.\u003c\/p\u003e\n\u003ch2\u003eA New Motorcycle\u003c\/h2\u003e\n\u003cp\u003eThe F 450 GS arrived for 2026, and parts for it are only now appearing. That has one practical consequence worth knowing: this silencer is among the first available, and the fitment covers the 2026 model year only. If BMW revises the bike, the part will not automatically carry over.\u003c\/p\u003e\n\u003ch2\u003eWhy Stainless and Not Titanium\u003c\/h2\u003e\n\u003cp\u003eAkrapovic could have built this in titanium and charged more for it. On an F 450 GS that would have been the worse product. Titanium saves weight by being thin, and a thin wall is what fails first when a bike is dropped on gravel, blasted with grit or left standing through a salted winter — which is the life this motorcycle is bought for.\u003c\/p\u003e\n\u003cp\u003eHigh-grade stainless steel with a black coating gives up some of the weight saving and returns durability and a surface that can be cleaned without care. On a machine in this class, that is the trade worth making, and it is why the price sits where it does.\u003c\/p\u003e\n\u003ch2\u003eA2 and the Certificate\u003c\/h2\u003e\n\u003cp\u003eThe F 450 GS is within the A2 power limit, so the type approval here is worth more than the paperwork suggests. A restricted machine with a non-approved exhaust has a problem at its next inspection and potentially with its insurer. This silencer is EC and ECE approved and leaves the restriction untouched.\u003c\/p\u003e\n\u003ch2\u003eFitment and Compatibility\u003c\/h2\u003e\n\u003cp\u003eS-B4SO4-HHLSSBL covers the BMW F 450 GS for model year 2026.\u003c\/p\u003e\n\u003ch2\u003eRoad Approval\u003c\/h2\u003e\n\u003cp\u003eEC type approval and ECE type approval, with the certificates supplied and downloadable here. The silencer is a legal replacement part for road use in the European Union and does not affect an A2 restriction.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart number: S-B4SO4-HHLSSBL\u003c\/li\u003e\n\u003cli\u003eEAN: 3831126461362\u003c\/li\u003e\n\u003cli\u003eFitment: BMW F 450 GS (2026)\u003c\/li\u003e\n\u003cli\u003eSystem type: slip-on silencer, double imprint design\u003c\/li\u003e\n\u003cli\u003eConstruction: high-grade stainless steel\u003c\/li\u003e\n\u003cli\u003eFinish: muffler and heat shield coated black, monochrome laser-engraved logo\u003c\/li\u003e\n\u003cli\u003ePower: gain 0.6 PS \/ 0.4 kW at 9,300 rpm\u003c\/li\u003e\n\u003cli\u003eTorque: gain 0.3 Nm at 6,500 rpm\u003c\/li\u003e\n\u003cli\u003eRoad approval: EC type approval and ECE type approval\u003c\/li\u003e\n\u003cli\u003eCountry of manufacture: Slovenia\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Akrapovic","offers":[{"title":"Default Title","offer_id":53627420639498,"sku":"S-B4SO4-HHLSSBL","price":611.36,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7831\/0410\/files\/01_1c23b84f-e6ed-4a27-8ea5-7f4e6053f273.png?v=1788522118","url":"https:\/\/inter-pace.com\/en-at\/products\/akrapovic-slip-on-line-stainless-steel-bmw-f-450-gs-s-b4so4-hhlssbl","provider":"Inter-Pace","version":"1.0","type":"link"}