The GFB EX50 External Wastegate has been designed to cope with the brutal conditions of extreme exhaust temperatures. It features not only a huge flow capacity - the EX50 outflows its nearest competitor by 18% - but also a compact size that is unmatched by competitors for a 50mm wastegate.
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3 springs allow for various combinations of boost pressures - 7, 9, 12, 16, 19, 21 and 28psi.
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Body, valve and seat are made from high-temp stainless steel
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Actuator housing machined from 7075 billet-aluminium – much stronger and harder than 6061
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Internal valve-shroud protects valve stem from excessive heat and prevents carbon-related sticking
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Top-hat-style Nomex-reinforced silicone rolling diaphragm for longer valve travel
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90° banjo-style boost hose connectors
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V-band clamp mounting system, supplied with 304 stainless weld-on adaptors
