{"product_id":"turbosmart-straightgate-butterfly-external-wastegates","title":"Turbosmart StraightGate Butterfly External Wastegates (40mm, 50mm, 76mm)","description":"\u003ch1 data-section-id=\"14k9sku\" data-start=\"973\" data-end=\"1028\"\u003eTurbosmart StraightGate Butterfly External Wastegates\u003c\/h1\u003e\n\u003cp data-start=\"1030\" data-end=\"1124\"\u003eThe Turbosmart StraightGate range represents a fundamental shift in external wastegate design.\u003c\/p\u003e\n\u003cp data-start=\"1126\" data-end=\"1355\"\u003eUnlike traditional poppet-style wastegates, StraightGate uses a \u003cstrong data-start=\"1190\" data-end=\"1221\"\u003ezero-offset butterfly valve\u003c\/strong\u003e, delivering dramatically increased flow, near-linear control and stability under drive pressures that overwhelm conventional designs.\u003c\/p\u003e\n\u003cp data-start=\"1357\" data-end=\"1392\"\u003eThis is not just another wastegate.\u003c\/p\u003e\n\u003cp data-start=\"1394\" data-end=\"1438\"\u003eIt is a different approach to boost control.\u003c\/p\u003e\n\u003ch1 data-section-id=\"mjxtfy\" data-start=\"1445\" data-end=\"1476\"\u003eWhy StraightGate is Different\u003c\/h1\u003e\n\u003cp data-start=\"1478\" data-end=\"1560\"\u003eTraditional wastegates force exhaust gas to turn 90 degrees as it exits the valve.\u003c\/p\u003e\n\u003cp data-start=\"1562\" data-end=\"1584\"\u003eStraightGate does not.\u003c\/p\u003e\n\u003cp data-start=\"1586\" data-end=\"1673\"\u003eThe butterfly valve allows exhaust gas to flow straight through the body, resulting in:\u003c\/p\u003e\n\u003cp data-start=\"1675\" data-end=\"1804\"\u003e• Significantly higher flow capacity\u003cbr data-start=\"1711\" data-end=\"1714\"\u003e• Reduced turbulence\u003cbr data-start=\"1734\" data-end=\"1737\"\u003e• Improved boost stability\u003cbr data-start=\"1763\" data-end=\"1766\"\u003e• More consistent control under load\u003c\/p\u003e\n\u003cp data-start=\"1806\" data-end=\"1928\"\u003eCombined with the self-balancing valve design, StraightGate maintains control even in extreme drive pressure environments.\u003c\/p\u003e\n\u003ch1 data-section-id=\"1l3h4pm\" data-start=\"1935\" data-end=\"1968\"\u003eSelf-Balancing Valve Technology\u003c\/h1\u003e\n\u003cp data-start=\"1970\" data-end=\"2066\"\u003eThe centrally pivoting butterfly valve is exposed to exhaust pressure evenly across both halves.\u003c\/p\u003e\n\u003cp data-start=\"2068\" data-end=\"2114\"\u003eThis creates a self-balancing effect, meaning:\u003c\/p\u003e\n\u003cp data-start=\"2116\" data-end=\"2252\"\u003e• Less actuator force is required\u003cbr data-start=\"2149\" data-end=\"2152\"\u003e• Improved stability at high boost\u003cbr data-start=\"2186\" data-end=\"2189\"\u003e• Wider tuning window\u003cbr data-start=\"2210\" data-end=\"2213\"\u003e• Reduced sensitivity to backpressure\u003c\/p\u003e\n\u003cp data-start=\"2254\" data-end=\"2341\"\u003eThis is where traditional wastegates begin to struggle — and where StraightGate excels.\u003c\/p\u003e\n\u003ch1 data-section-id=\"eph7wp\" data-start=\"2348\" data-end=\"2365\"\u003eAvailable Sizes\u003c\/h1\u003e\n\u003ch3 data-section-id=\"1cw2m5z\" data-start=\"2367\" data-end=\"2391\"\u003e🔹 40mm StraightGate\u003c\/h3\u003e\n\u003cp data-start=\"2392\" data-end=\"2479\"\u003e• Compact packaging\u003cbr data-start=\"2411\" data-end=\"2414\"\u003e• Ideal for tight engine bays\u003cbr data-start=\"2443\" data-end=\"2446\"\u003e• Small to medium turbo systems\u003c\/p\u003e\n\u003ch3 data-section-id=\"1iv07cm\" data-start=\"2486\" data-end=\"2510\"\u003e🔹 50mm StraightGate\u003c\/h3\u003e\n\u003cp data-start=\"2511\" data-end=\"2615\"\u003e• Most versatile option\u003cbr data-start=\"2534\" data-end=\"2537\"\u003e• Suits a wide range of turbo setups\u003cbr data-start=\"2573\" data-end=\"2576\"\u003e• Available in all control strategies\u003c\/p\u003e\n\u003ch3 data-section-id=\"b7lvn6\" data-start=\"2622\" data-end=\"2646\"\u003e🔹 76mm StraightGate\u003c\/h3\u003e\n\u003cp data-start=\"2647\" data-end=\"2760\"\u003e• Maximum bypass capacity\u003cbr data-start=\"2672\" data-end=\"2675\"\u003e• Designed for extreme horsepower applications\u003cbr data-start=\"2721\" data-end=\"2724\"\u003e• High drive pressure environments\u003c\/p\u003e\n\u003ch1 data-section-id=\"d6gf5x\" data-start=\"2767\" data-end=\"2797\"\u003eControl Strategies Available\u003c\/h1\u003e\n\u003cp data-start=\"2799\" data-end=\"2896\"\u003eThe StraightGate range supports multiple control strategies depending on your build requirements:\u003c\/p\u003e\n\u003ch3 data-section-id=\"1irw584\" data-start=\"2898\" data-end=\"2918\"\u003eElectronic (eSG)\u003c\/h3\u003e\n\u003cp data-start=\"2919\" data-end=\"3077\"\u003e• Full ECU-controlled boost management\u003cbr data-start=\"2957\" data-end=\"2960\"\u003e• No springs or diaphragms\u003cbr data-start=\"2986\" data-end=\"2989\"\u003e• Integrated sensors for temperature and valve position\u003cbr data-start=\"3044\" data-end=\"3047\"\u003e• Maximum tuning flexibility\u003c\/p\u003e\n\u003ch3 data-section-id=\"1hffwyq\" data-start=\"3084\" data-end=\"3111\"\u003ePneumatic (Boost-Based)\u003c\/h3\u003e\n\u003cp data-start=\"3112\" data-end=\"3235\"\u003e• Traditional boost reference control\u003cbr data-start=\"3149\" data-end=\"3152\"\u003e• Simple, reliable and widely compatible\u003cbr data-start=\"3192\" data-end=\"3195\"\u003e• Supports single and twin port setups\u003c\/p\u003e\n\u003ch3 data-section-id=\"1s26vpq\" data-start=\"3242\" data-end=\"3284\"\u003e\u003cspan role=\"text\"\u003ePneumatic (Vacuum-Based) \u003cem data-start=\"3271\" data-end=\"3284\"\u003e(50mm Only)\u003c\/em\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"3285\" data-end=\"3388\"\u003e• Advanced control strategy for specific applications\u003cbr data-start=\"3338\" data-end=\"3341\"\u003e• Available exclusively in 50mm configuration\u003c\/p\u003e\n\u003ch3 data-section-id=\"7ic3yn\" data-start=\"3395\" data-end=\"3410\"\u003eCO₂ Control\u003c\/h3\u003e\n\u003cp data-start=\"3411\" data-end=\"3535\"\u003e• Motorsport-grade boost control\u003cbr data-start=\"3443\" data-end=\"3446\"\u003e• High precision and repeatability\u003cbr data-start=\"3480\" data-end=\"3483\"\u003e• Ideal for drag and high-performance applications\u003c\/p\u003e\n\u003cp data-start=\"3576\" data-end=\"3603\"\u003e\u003cstrong\u003eTurbosmart StraightGate's allows you to:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3605\" data-end=\"3813\"\u003e• Maintain stable boost at high RPM\u003cbr data-start=\"3640\" data-end=\"3643\"\u003e• Improve low boost control\u003cbr data-start=\"3670\" data-end=\"3673\"\u003e• Expand your tuning window significantly\u003cbr data-start=\"3714\" data-end=\"3717\"\u003e• Reduce the impact of drive pressure on boost control\u003cbr data-start=\"3771\" data-end=\"3774\"\u003e• Achieve more consistent performance\u003c\/p\u003e\n\u003cp data-start=\"3815\" data-end=\"3901\"\u003eThis is especially important in high-efficiency turbo systems and high-flow manifolds.\u003c\/p\u003e\n\u003ch1 data-section-id=\"8uf7km\" data-start=\"3908\" data-end=\"3941\"\u003eChoosing the Right StraightGate\u003c\/h1\u003e\n\u003cp data-start=\"3943\" data-end=\"4002\"\u003eSelecting the correct size and control strategy depends on:\u003c\/p\u003e\n\u003cp data-start=\"4004\" data-end=\"4156\"\u003e• Turbocharger size\u003cbr data-start=\"4023\" data-end=\"4026\"\u003e• Power target\u003cbr data-start=\"4040\" data-end=\"4043\"\u003e• Exhaust manifold design\u003cbr data-start=\"4068\" data-end=\"4071\"\u003e• Available packaging space\u003cbr data-start=\"4098\" data-end=\"4101\"\u003e• Desired control strategy (mechanical vs electronic)\u003c\/p\u003e\n\u003cp data-start=\"4158\" data-end=\"4203\"\u003eIf you're unsure, contact us before ordering.\u003c\/p\u003e\n\u003ch1 data-section-id=\"8e8uw9\" data-start=\"4210\" data-end=\"4243\"\u003eWhy Buy From Walton Motorsport?\u003c\/h1\u003e\n\u003cp data-start=\"4245\" data-end=\"4309\"\u003eWe don’t just supply wastegates — we design systems around them.\u003c\/p\u003e\n\u003cp data-start=\"4311\" data-end=\"4363\"\u003eAs a turbo manifold manufacturer, we understand how:\u003c\/p\u003e\n\u003cp data-start=\"4365\" data-end=\"4448\"\u003e• Drive pressure\u003cbr data-start=\"4381\" data-end=\"4384\"\u003e• Collector design\u003cbr data-start=\"4402\" data-end=\"4405\"\u003e• Turbo sizing\u003cbr data-start=\"4419\" data-end=\"4422\"\u003e• Boost control strategy\u003c\/p\u003e\n\u003cp data-start=\"4450\" data-end=\"4464\"\u003e…all interact.\u003c\/p\u003e\n\u003cp data-start=\"4466\" data-end=\"4583\"\u003eStraightGate is not required for every build — but when it is, it solves problems that traditional wastegates cannot.\u003c\/p\u003e\n\u003ch1 data-section-id=\"1m8mqxq\" data-start=\"4590\" data-end=\"4607\"\u003eWhat’s Included\u003c\/h1\u003e\n\u003cp data-start=\"4609\" data-end=\"4650\"\u003eEach StraightGate configuration includes:\u003c\/p\u003e\n\u003cp data-start=\"4652\" data-end=\"4827\"\u003e• StraightGate wastegate assembly\u003cbr data-start=\"4685\" data-end=\"4688\"\u003e• Actuator (based on selected control type)\u003cbr data-start=\"4731\" data-end=\"4734\"\u003e• Mounting hardware\u003cbr data-start=\"4753\" data-end=\"4756\"\u003e• Weld flanges\u003cbr data-start=\"4770\" data-end=\"4773\"\u003e• Fittings and accessories specific to configuration\u003c\/p\u003e\n\u003cp data-start=\"3815\" data-end=\"3901\"\u003e \u003c\/p\u003e","brand":"Turbosmart","offers":[{"title":"StraightGate40 - 40mm \/ Electronic","offer_id":61404811133258,"sku":"TS-0563-1002","price":914.95,"currency_code":"GBP","in_stock":true},{"title":"StraightGate40 - 40mm \/ Pneumatic - Boost-Based","offer_id":61404811166026,"sku":"TS-0563-1762","price":489.95,"currency_code":"GBP","in_stock":true},{"title":"StraightGate40 - 40mm \/ C02 - Compressed Gas","offer_id":61404811198794,"sku":"TS-0563-1242","price":489.95,"currency_code":"GBP","in_stock":true},{"title":"StraightGate40 - 40mm \/ C02 - Control-In-Cap","offer_id":61404811231562,"sku":"TS-0563-1252","price":599.95,"currency_code":"GBP","in_stock":true},{"title":"StraightGate50 - 50mm \/ Electronic","offer_id":61404811264330,"sku":"TS-0565-1002","price":1209.95,"currency_code":"GBP","in_stock":true},{"title":"StraightGate50 - 50mm \/ Pneumatic - Boost-Based","offer_id":61404811297098,"sku":"TS-0565-1762","price":564.95,"currency_code":"GBP","in_stock":true},{"title":"StraightGate50 - 50mm \/ Pneumatic - Vacuum-Based","offer_id":61404811329866,"sku":"TS-0565-1212","price":564.95,"currency_code":"GBP","in_stock":true},{"title":"StraightGate50 - 50mm \/ C02 - Compressed Gas","offer_id":61404811362634,"sku":"TS-0565-1242","price":574.95,"currency_code":"GBP","in_stock":true},{"title":"StraightGate50 - 50mm \/ C02 - Control-In-Cap","offer_id":61404811395402,"sku":"TS-0565-1252","price":679.95,"currency_code":"GBP","in_stock":true},{"title":"StraightGate76 - 76mm \/ Electronic","offer_id":61404811428170,"sku":"TS-0567-1002","price":1284.95,"currency_code":"GBP","in_stock":true},{"title":"StraightGate76 - 76mm \/ Pneumatic - Boost-Based","offer_id":61404811460938,"sku":"TS-0567-1762","price":654.95,"currency_code":"GBP","in_stock":true},{"title":"StraightGate76 - 76mm \/ C02 - Compressed Gas","offer_id":61404811493706,"sku":"TS-0567-1242","price":654.95,"currency_code":"GBP","in_stock":true},{"title":"StraightGate76 - 76mm \/ C02 - Control-In-Cap","offer_id":61404811526474,"sku":"TS-0567-1252","price":764.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/9602\/5418\/files\/Walton_Motorsport_Product_-_StraightGate40_1.jpg?v=1774246526","url":"https:\/\/waltonmotorsport.com\/products\/turbosmart-straightgate-butterfly-external-wastegates","provider":"Walton Motorsport","version":"1.0","type":"link"}