{"product_id":"gmc-racing-t25-turbo-manifold-kit-abarth-500-595-695-gbc20-300-gbc22-350","title":"GMC Racing T25 Turbo Manifold Kit – Abarth 500 \/ 595 \/ 695 GBC20-300 \u0026 GBC22-350","description":"\u003ch3\u003eGMC Racing T25 Turbo Manifold Kit – Abarth 500 \/ 595 \/ 695 GBC20-300 \u0026amp; GBC22-350\u003c\/h3\u003e\n\u003cp\u003eDeveloped through decades of motorsport experience, the GMC Racing T25 Turbo Manifold Kit is designed specifically for Abarth 500, 595, and 695 models running GBC20-300 and GBC22-350 turbocharger conversions.\u003c\/p\u003e\n\u003cp\u003eManufactured entirely from 1.5mm wall thickness 304 stainless steel, this manifold weighs just 3.5kg, making it one of the lightest tubular manifold solutions available for the Abarth platform. The advanced 4-into-1 collector design has been engineered to improve exhaust gas flow, reduce back pressure, lower exhaust temperatures, and maximise turbocharger efficiency.\u003c\/p\u003e\n\u003cp\u003eDesigned and manufactured by GMC Racing in Italy, this kit provides the ideal foundation for high-performance turbocharger conversions where the limitations of the factory manifold become a restriction.\u003c\/p\u003e\n\u003cp\u003eUnlike many kits available elsewhere, our package includes both the genuine GMC Racing oil feed pipe and oil return pipe, providing a more complete installation solution and ensuring you have the components required to complete your turbo conversion.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003cp\u003eAbarth 500 1.4 T-Jet\u003c\/p\u003e\n\u003cp\u003eAbarth 595 1.4 T-Jet\u003c\/p\u003e\n\u003cp\u003eAbarth 695 1.4 T-Jet\u003c\/p\u003e\n\u003cp\u003eSuitable for use with:\u003c\/p\u003e\n\u003cp\u003eGBC20-300 Turbocharger\u003c\/p\u003e\n\u003cp\u003eGBC22-350 Turbocharger\u003c\/p\u003e\n\u003cp\u003eT25 Flange Turbochargers\u003c\/p\u003e\n\u003cp\u003ePlease contact us with your VIN \/ chassis number if you are unsure of compatibility.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003eGMC Racing stainless steel T25 tubular exhaust manifold\u003c\/p\u003e\n\u003cp\u003eGMC Racing stainless steel downpipe kit\u003c\/p\u003e\n\u003cp\u003eGMC Racing water pipe kit\u003c\/p\u003e\n\u003cp\u003eGMC Racing turbo oil feed pipe\u003c\/p\u003e\n\u003cp\u003eGMC Racing turbo oil return pipe\u003c\/p\u003e\n\u003cp\u003eUniball mounting brackets and fittings\u003c\/p\u003e\n\u003cp\u003eInstallation instructions\u003c\/p\u003e\n\u003cp\u003eGMC Racing decal\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eDesigned for T25 turbocharger applications\u003c\/p\u003e\n\u003cp\u003eSuitable for GBC20-300 and GBC22-350 conversions\u003c\/p\u003e\n\u003cp\u003eLightweight 3.5kg construction\u003c\/p\u003e\n\u003cp\u003eManufactured from 1.5mm wall thickness 304 stainless steel\u003c\/p\u003e\n\u003cp\u003eAdvanced 4-into-1 collector design\u003c\/p\u003e\n\u003cp\u003eImproved exhaust gas flow\u003c\/p\u003e\n\u003cp\u003eReduced exhaust back pressure\u003c\/p\u003e\n\u003cp\u003eLower exhaust operating temperatures\u003c\/p\u003e\n\u003cp\u003eSupports increased power and reliability\u003c\/p\u003e\n\u003cp\u003eIntegrated EGT temperature probe provision\u003c\/p\u003e\n\u003cp\u003ePrecision CNC-machined flanges\u003c\/p\u003e\n\u003cp\u003eMotorsport-derived design\u003c\/p\u003e\n\u003cp\u003eDesigned and manufactured in Italy\u003c\/p\u003e\n\u003cp\u003eComplete package including oil feed and oil return pipes\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e4-Into-1 Collector Design\u003c\/h3\u003e\n\u003cp\u003eThe GMC Racing 4-into-1 collector system has been developed through extensive dyno and motorsport testing. By allowing exhaust gases from each cylinder to merge efficiently, the design reduces turbulence and restriction while improving turbine efficiency.\u003c\/p\u003e\n\u003cp\u003eThe result is improved turbocharger response, reduced exhaust temperatures, and the potential for significant power increases compared to the factory cast manifold.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eWelding \u0026amp; Manufacturing Quality\u003c\/h3\u003e\n\u003cp\u003eEach manifold is hand-fabricated from premium 304 stainless steel and features GMC Racing's renowned welding quality. The smooth internal weld finish helps maximise exhaust flow while maintaining exceptional strength and durability under extreme operating conditions.\u003c\/p\u003e\n\u003cp\u003eThe precision construction and CNC-machined stainless steel flanges ensure excellent fitment and long-term reliability.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eImportant Information\u003c\/h3\u003e\n\u003cp\u003eThis manifold is designed for T25 turbocharger conversions and is commonly used with GBC20-300 and GBC22-350 turbocharger setups.\u003c\/p\u003e\n\u003cp\u003eThis manifold requires supporting modifications and professional installation.\u003c\/p\u003e\n\u003cp\u003eECU calibration\/remapping will be required to achieve optimum performance and safe operation.\u003c\/p\u003e\n\u003cp\u003eDepending on the intended power level, fuel system upgrades such as larger injectors and supporting hardware may also be required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThis kit should only be installed by a competent professional who is experienced with custom turbocharged vehicle builds. Depending on the vehicle specification and existing modifications, custom adjustments may be required during installation, particularly when used alongside aftermarket intake systems, intercoolers, boost pipework, and other performance upgrades.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInstallation of this manifold requires modifications to the exhaust system, intake system, engine water pipework, and turbocharger hoses.\u003c\/p\u003e\n\u003cp\u003eGMC Racing recommends replacing the water hose gasket with \u003cstrong\u003eFiat part number 71776601\u003c\/strong\u003e, which is available separately on our website.\u003c\/p\u003e\n\u003cp\u003eDue to the nature of this product and the wide variety of modifications found on the Abarth platform, installation requirements may vary from vehicle to vehicle.\u003c\/p\u003e\n\u003cp\u003eThis product is intended for motorsport and off-road use where applicable. It is the customer's responsibility to ensure compliance with local vehicle regulations and emissions requirements.\u003c\/p\u003e\n\u003cp\u003ePhotos are for illustration purposes only.\u003c\/p\u003e","brand":"GMC Racing","offers":[{"title":"Default Title","offer_id":55806434673025,"sku":"GMCO103CO","price":1669.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0517\/6259\/3949\/files\/3049_f7727a0e-062f-42f1-a683-047eb5988e33.webp?v=1781554151","url":"https:\/\/www.tmcmotorsport.com\/products\/gmc-racing-t25-turbo-manifold-kit-abarth-500-595-695-gbc20-300-gbc22-350","provider":"TMC Motorsport","version":"1.0","type":"link"}