{"product_id":"tecnigas-gp4-nickel-exhaust-piaggio-vespa-50cc-4t-2v","title":"Tecnigas GP4 Nickel Exhaust - Piaggio \u0026 Vespa 50cc 4T (2V)","description":"Elevate your scooter's performance and style with the Tecnigas GP4 Exhaust System . 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. This 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. Key Features: Corrosion Resistance: High-quality nickel plating provides a durable, mirror-like finish that won't rust. Weight Savings: Significantly lighter than the bulky OEM cast-iron exhaust for improved handling. Quiet Performance: Tuned for a deep, mellow tone that meets street-legal noise expectations. Complete Installation: Includes all necessary mounting brackets, hardware, and an instructional booklet. Detailed Model Fitment: Fits 50cc 4-Stroke (2-Valve) Piaggio engines found in the following models: Vespa: LX 50, Primavera 50, Sprint 50, Vespa S 50 Piaggio: Fly 50, Liberty 50 Aprilia: Scarabeo 50, Sport City One 50 Derbi: Atlantis 50, Boulevard 50 Technical Specifications: Exhaust Style: GP-Style (Nickel Plated) Head Pipe Bolt Spacing: 40mm Head Pipe Inner Diameter: 18mm Engine Compatibility: 50cc 4-Stroke, 2-Valve ONLY Safety \u0026amp; Legal: • This product is intended for off-road\/racing use only . • Not legal for use on public roads or land. • California Residents: Not legal for use on pollution-controlled vehicles. Tech Tip: 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.","brand":"tecnigas","offers":[{"title":"Default Title","offer_id":48045384270011,"sku":"190-74","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/1340\/6651\/files\/654798.jpg?v=1783058737","url":"https:\/\/thriftyscooters.com\/products\/tecnigas-gp4-nickel-exhaust-piaggio-vespa-50cc-4t-2v","provider":"Thrifty Scooters","version":"1.0","type":"link"}