{"product_id":"tecnigas-gp4-exhaust-for-4-stroke-piaggio-scooters-190-74","title":"Tecnigas GP4 Nickel Exhaust - Piaggio \u0026 Vespa 50cc 4T (2V)","description":"\u003cp\u003eElevate your scooter's performance and style with the \u003cstrong\u003eTecnigas GP4 Exhaust System\u003c\/strong\u003e. Engineered specifically for Piaggio 50cc 4-stroke (2-valve) engines, the GP4 offers a \"GP-style\" aesthetic with a premium nickel-plated finish that resists corrosion and stays looking sharp long after standard painted pipes have faded.\u003c\/p\u003e\u003cp\u003eThis system is designed to provide a noticeable boost in mid-range torque and throttle response compared to the restrictive factory exhaust. Despite its sporty look, the GP4 is specifically baffled to remain quiet and neighbor-friendly, making it the perfect choice for daily commuters who want a lighter, more efficient setup without the high-decibel \"drone\" of a racing pipe.\u003c\/p\u003e\u003ch3\u003eKey Features:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Resistance:\u003c\/strong\u003e High-quality nickel plating provides a durable, mirror-like finish that won't rust.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight Savings:\u003c\/strong\u003e Significantly lighter than the bulky OEM cast-iron exhaust for improved handling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet Performance:\u003c\/strong\u003e Tuned for a deep, mellow tone that meets street-legal noise expectations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Installation:\u003c\/strong\u003e Includes all necessary mounting brackets, hardware, and an instructional booklet.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDetailed Model Fitment:\u003c\/h3\u003e\u003cp\u003eFits \u003cstrong\u003e50cc 4-Stroke (2-Valve) Piaggio engines\u003c\/strong\u003e found in the following models:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVespa:\u003c\/strong\u003e LX 50, Primavera 50, Sprint 50, Vespa S 50\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiaggio:\u003c\/strong\u003e Fly 50, Liberty 50\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAprilia:\u003c\/strong\u003e Scarabeo 50, Sport City One 50\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDerbi:\u003c\/strong\u003e Atlantis 50, Boulevard 50\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Style:\u003c\/strong\u003e GP-Style (Nickel Plated)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Pipe Bolt Spacing:\u003c\/strong\u003e 40mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Pipe Inner Diameter:\u003c\/strong\u003e 18mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Compatibility:\u003c\/strong\u003e 50cc 4-Stroke, 2-Valve ONLY\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eSafety \u0026amp; Legal:\u003c\/strong\u003e\u003cbr\u003e• This product is intended for \u003cstrong\u003eoff-road\/racing use only\u003c\/strong\u003e.\u003cbr\u003e• Not legal for use on public roads or land.\u003cbr\u003e• \u003cstrong\u003eCalifornia Residents:\u003c\/strong\u003e Not legal for use on pollution-controlled vehicles.\u003c\/p\u003e\u003cp\u003e\u003cem\u003e\u003cstrong\u003eTech Tip:\u003c\/strong\u003e While this exhaust is a \"bolt-on\" upgrade, we recommend checking your spark plug color after installation. Some 4-stroke models may benefit from a slightly larger main jet to ensure the engine runs cool and maintains an optimal air\/fuel ratio with the increased flow.\u003c\/em\u003e\u003c\/p\u003e","brand":"Tecnigas","offers":[{"title":"Default Title","offer_id":48112387588283,"sku":"190-74","price":199.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/1340\/6651\/files\/654798.jpg?v=1784314737","url":"https:\/\/thriftyscooters.com\/products\/tecnigas-gp4-exhaust-for-4-stroke-piaggio-scooters-190-74","provider":"Thrifty Scooters","version":"1.0","type":"link"}