{"product_id":"dbr-derbi-superfast-alta-50cc","title":"DBR Derbi Superfast High 50cc","description":"\u003cp\u003eThe ultimate racing exhaust for high-performance 50cc engines. True excellence in Italian Craftsmanship, designed for those who demand extreme fluid dynamics and superior resonance (High-Performance Exhaust).\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eUnlike stamped industrial products, the \u003cstrong\u003eDBR Derbi Superfast Alta 50cc\u003c\/strong\u003e is made from \u003cstrong\u003eIron (special P04 sheet metal)\u003c\/strong\u003e with reduced thickness. The \u003cstrong\u003eentirely hand-hammered welding technique (Hand-Hammered \/ Soudure martelée)\u003c\/strong\u003e eliminates all internal burrs. This creates a perfectly smooth passage that maximizes gas flow (Expansion Chamber), ensuring explosive thrust at high-end RPM.\u003c\/p\u003e\n\u003ch3\u003eAvailable Finishes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRaw Iron (Racing Raw \/ Look Usine):\u003c\/strong\u003e \"Track-ready\" finish with clearly visible hand-made welds. Requires maintenance with protective oil after use to preserve the iron and prevent natural oxidation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCerakote™ Treatment (High-End Protection):\u003c\/strong\u003e Professional ceramic coating. Protects the iron from corrosion and extreme heat, keeping the exhaust flawless over time without the need for external maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduction:\u003c\/td\u003e\n\u003ctd\u003eHand-welded \u0026amp; hammered iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplacement Range:\u003c\/td\u003e\n\u003ctd\u003e50cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRouting:\u003c\/td\u003e\n\u003ctd\u003eHigh (High-Mount \/ Passage Haut)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial:\u003c\/td\u003e\n\u003ctd\u003eP04 Iron Sheet Metal (Special Sheet Metal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCylinder Compatibility \/ Big Bore Support\u003c\/h3\u003e\n\u003cp\u003eOptimized for Hyper-Racing thermal groups with advanced timing:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2FAST • BIDALOT • STAGE6 R\/T • POLINI BIG EVO • LMR \u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eApplications \/ Fitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDerbi:\u003c\/strong\u003e Senda (Euro 2, 3, 4)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAprilia:\u003c\/strong\u003e SX \/ RX 50 (from 2006 with Derbi engine)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuzuki Valenti:\u003c\/strong\u003e RME 50, SM 50, N01 (2015-2022)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"padding: 15px; border-left: 5px solid #ff922b; line-height: 1.5; margin-top: 20px;\"\u003e\n \u003cp style=\"margin-top: 0;\"\u003e\u003cstrong\u003ePRO TUNER NOTE:\u003c\/strong\u003e\u003c\/p\u003e\n \u003cp\u003eThe P04 iron exhaust offers a resonance that titanium or steel cannot replicate. If you purchase the \u003cstrong\u003eRacing Finish\u003c\/strong\u003e, remember: it is \"bare\" iron. Always dry it after washing and apply a thin layer of protective oil while warm.\u003c\/p\u003e\n \n \u003cp\u003e\u003cstrong\u003eRecommended Maintenance:\u003c\/strong\u003e\u003c\/p\u003e\n \u003cul style=\"margin-bottom: 10px;\"\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/dbrfactory.shop\/products\/kit-di-manutenzione-classic\" target=\"_blank\" style=\"color: #d9480f;\"\u003e\u003cstrong\u003eDBR Care Kit Classic\u003c\/strong\u003e (Oil + Rust Remover)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/dbrfactory.shop\/products\/dbr-oil\" target=\"_blank\" style=\"color: #d9480f;\"\u003e\u003cstrong\u003eDBR Oil\u003c\/strong\u003e - Anti-Rust Protective Spray\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp style=\"margin-bottom: 0; font-size: 0.9em; font-style: italic; color: #666;\"\u003eNote: Surface oxidation is a natural process for untreated racing iron.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Derbi","offers":[{"title":"Derbi Senda 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None","offer_id":53286394757459,"sku":"DBR-005402","price":425.0,"currency_code":"USD","in_stock":true},{"title":"Derbi Senda 50 \/ Stage 6 R\/T \/ Clear Anti-Rust Cerakote","offer_id":53286394790227,"sku":"DBR-005403","price":520.0,"currency_code":"USD","in_stock":true},{"title":"Derbi Senda 50 \/ LMR \/ None","offer_id":53286394822995,"sku":"DBR-005404","price":425.0,"currency_code":"USD","in_stock":true},{"title":"Derbi Senda 50 \/ LMR \/ Clear Anti-Rust Cerakote","offer_id":53286394855763,"sku":"DBR-005405","price":520.0,"currency_code":"USD","in_stock":true},{"title":"Derbi Senda 50 \/ Polini Big Evo \/ None","offer_id":53286394888531,"sku":"DBR-005406","price":425.0,"currency_code":"USD","in_stock":true},{"title":"Derbi Senda 50 \/ Polini Big Evo \/ Clear Anti-Rust Cerakote","offer_id":53286394921299,"sku":"DBR-005407","price":520.0,"currency_code":"USD","in_stock":true},{"title":"Aprilia SX\/MX 50 \/ Classic Derbi \/ None","offer_id":53286394954067,"sku":"DBR-005408","price":425.0,"currency_code":"USD","in_stock":true},{"title":"Aprilia SX\/MX 50 \/ Classic Derbi \/ Clear Anti-Rust Cerakote","offer_id":53286394986835,"sku":"DBR-005409","price":520.0,"currency_code":"USD","in_stock":true},{"title":"Aprilia SX\/MX 50 \/ Bidalot \/ None","offer_id":53286395019603,"sku":"DBR-005410","price":425.0,"currency_code":"USD","in_stock":true},{"title":"Aprilia SX\/MX 50 \/ Bidalot \/ Clear Anti-Rust Cerakote","offer_id":53286395052371,"sku":"DBR-005411","price":520.0,"currency_code":"USD","in_stock":true},{"title":"Aprilia SX\/MX 50 \/ 2Fast \/ None","offer_id":53286395085139,"sku":"DBR-005412","price":425.0,"currency_code":"USD","in_stock":true},{"title":"Aprilia SX\/MX 50 \/ 2Fast \/ Clear Anti-Rust Cerakote","offer_id":53286395117907,"sku":"DBR-005413","price":520.0,"currency_code":"USD","in_stock":true},{"title":"Aprilia SX\/MX 50 \/ Stage 6 R\/T \/ None","offer_id":53286395150675,"sku":"DBR-005414","price":425.0,"currency_code":"USD","in_stock":true},{"title":"Aprilia SX\/MX 50 \/ Stage 6 R\/T \/ Clear Anti-Rust Cerakote","offer_id":53286395183443,"sku":"DBR-005415","price":520.0,"currency_code":"USD","in_stock":true},{"title":"Aprilia SX\/MX 50 \/ LMR \/ None","offer_id":53286395216211,"sku":"DBR-005416","price":425.0,"currency_code":"USD","in_stock":true},{"title":"Aprilia SX\/MX 50 \/ LMR \/ Clear Anti-Rust Cerakote","offer_id":53286395248979,"sku":"DBR-005417","price":520.0,"currency_code":"USD","in_stock":true},{"title":"Aprilia SX\/MX 50 \/ Polini Big Evo \/ None","offer_id":53286395281747,"sku":"DBR-005418","price":425.0,"currency_code":"USD","in_stock":true},{"title":"Aprilia SX\/MX 50 \/ Polini Big Evo \/ Clear Anti-Rust Cerakote","offer_id":53286395314515,"sku":"DBR-005419","price":520.0,"currency_code":"USD","in_stock":true},{"title":"Suzuki Valenti RME50\/SM50\/N01\/S01 from 2015 to 2022 Derbi \/ Classic Derbi \/ 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