{"product_id":"spark-exhaust-60s-slip-on-black-series-triumph-street-twin","title":"Spark Exhaust 60's Slip-On Pair Black Series Euro 4 Triumph Street Twin 900 (2017-2018) GTR0401BOM","description":"\u003cp\u003eThe shortest of Spark's three Street Twin shapes, in black ceramic. On a motorcycle Triumph already delivers with a blacked engine and satin paint, this is the pair that vanishes into the machine rather than sitting on it.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePair of 60's slip-on silencers for the Triumph Street Twin 900, 2017 to 2018.\u003c\/li\u003e\n\u003cli\u003eEuro 4 homologated, approval from the Italian Ministry of Transport.\u003c\/li\u003e\n\u003cli\u003eAISI 304 stainless with black ceramic treatment.\u003c\/li\u003e\n\u003cli\u003e3.2 kg against 7.5 kg standard.\u003c\/li\u003e\n\u003cli\u003e1,012 euro against 856 for the brushed pair.\u003c\/li\u003e\n\u003cli\u003eOriginal catalyst retained.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eA Dark Bike Gets Darker\u003c\/h2\u003e\u003cp\u003eThe Street Twin is one of the few modern classics that leaves the factory genuinely dark — black cases, black frame, matte tank options — and the standard silencers are the brightest thing on the right-hand side. Replacing them with black ones removes the last interruption in that line.\u003c\/p\u003e\u003cp\u003eThe effect is different from putting black pipes on a chrome-heavy Bonneville, where they create a contrast. Here they close one.\u003c\/p\u003e\u003ch2\u003eShort and Black Is a Combination\u003c\/h2\u003e\u003cp\u003eThe 60's body is already the most compact of the three, with a slash-cut outlet that ends forward of the axle. Take the brightness out as well and there is very little exhaust left to look at, which on a bike bought for its plainness is usually the point.\u003c\/p\u003e\u003cp\u003eIf you want the silencers to register at all, the longer Trumpet in the same finish is GTR0402BOM.\u003c\/p\u003e\u003ch2\u003eWhat the Finish Costs\u003c\/h2\u003e\u003cp\u003e156 euro over the brushed version. The shape, the weight, the mounting and the type approval are identical — Spark treats the surface and nothing else, so the decision is entirely about how the bike should look.\u003c\/p\u003e\u003ch2\u003eThe Approval Is Unaffected\u003c\/h2\u003e\u003cp\u003eBlack Series and Scotch-Brite carry the same Euro 4 homologation. A ceramic coating is a surface treatment applied to a certified silencer, not a change to how it works, and the certificate covers both.\u003c\/p\u003e\u003cp\u003eWorth stating because people assume a darkened exhaust must be the racing one. Here it is not.\u003c\/p\u003e\u003ch2\u003eKeeping the Black Even\u003c\/h2\u003e\u003cp\u003eCeramic is durable but not chemically indifferent. Degreasers and car-wash products attack the surface over time and leave it patchy, and patchy black looks worse than no black at all. Warm water, mild soap, soft cloth — that is the whole routine.\u003c\/p\u003e\u003ch2\u003eSold as a Pair\u003c\/h2\u003e\u003cp\u003eBoth sides in one article, with the mounting hardware. Spark does not sell single silencers for this motorcycle, which is the right call on a bike with a symmetrical exhaust — one black can and one factory can would be a strange thing to look at.\u003c\/p\u003e\u003ch2\u003eInstallation\u003c\/h2\u003e\u003cp\u003eSlip-on level: the standard silencers come off and Spark's go on, header pipes untouched. The approval covers the exhaust as delivered, so nothing about the fitting is a compromise on the paperwork.\u003c\/p\u003e\u003ch2\u003eFitment \u0026amp; Compatibility\u003c\/h2\u003e\u003cp\u003eTriumph Street Twin 900, 2017 and 2018. The brushed stainless version is GTR0401IOM at 856 euro. The other shapes in black are GTR0402BOM (Trumpet) and GTR0403BOM (Sinfonia).\u003c\/p\u003e\u003ch2\u003eRoad Approval\u003c\/h2\u003e\u003cp\u003eEuro 4 homologated, original catalyst retained.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePart number: GTR0401BOM\u003c\/li\u003e\n\u003cli\u003eType: Slip-on, pair\u003c\/li\u003e\n\u003cli\u003eDesign: 60's\u003c\/li\u003e\n\u003cli\u003eMaterial: AISI 304 stainless steel, black ceramic treatment\u003c\/li\u003e\n\u003cli\u003eWeight: 3.2 kg (standard 7.5 kg)\u003c\/li\u003e\n\u003cli\u003eRoad approval: Euro 4 homologated\u003c\/li\u003e\n\u003cli\u003eFitment: Triumph Street Twin 900 (2017-2018)\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":53610820305162,"sku":"GTR0401BOM","price":850.42,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7831\/0410\/files\/gtr0401bom_3b1c8aae-cca7-4392-a8af-1a6879b1875d.png?v=1788263496","url":"https:\/\/inter-pace.com\/en-ht\/products\/spark-exhaust-60s-slip-on-black-series-triumph-street-twin","provider":"Inter-Pace","version":"1.0","type":"link"}