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Wastegates
On a turbocharged engine, building boost fast is the name of the game. However, making too much boost can lead to disaster. That’s where the wastegate comes in to save...
On a turbocharged engine, building boost fast is the name of the game. However, making too much boost can lead to disaster. That’s where the wastegate comes in to save the day!
Inside of a wastegate is a spring pressing against a diaphragm. Once the pressure of the air leaving the compressor exceeds the pressure of the spring, it moves the diaphragm, which is linked to a bypass valve before the exhaust turbine. The bypass opens, and some of the exhaust gas pressure is released into the exhaust (or, on some race vehicles, the atmosphere), mitigating boost.
An internal wastegate actuates a bypass valve located inside the...
On a turbocharged engine, building boost fast is the name of the game. However, making too much boost can lead to disaster. That’s where the wastegate comes in to save the day!
Inside of a wastegate is a spring pressing against a diaphragm. Once the pressure of the air leaving the compressor exceeds the pressure of the spring, it moves the diaphragm, which is linked to a bypass valve before the exhaust turbine. The bypass opens, and some of the exhaust gas pressure is released into the exhaust (or, on some race vehicles, the atmosphere), mitigating boost.
An internal wastegate actuates a bypass valve located inside the turbocharger itself, while an external wastegate operates a bypass valve separate from the turbocharger. An internal wastegate system is more compact and requires less plumbing (most OE turbochargers use an internal wastegate), but is limited by the housing of the turbocharger. Most high performance and racing vehicles use an external wastegate system for its greater versatility.
Top Brands
When it comes to protecting your turbocharger and engine, you want a wastegate from a trusted manufacturer. That why Summit Racing Equipment only partners with proven brands like STS Turbo, Precision Turbo & Engine, Turbosmart, and VS Racing.
Showing In Stock Items. Show All 10 Items.
Wastegate, Gen-V Hyper-Gate, 45mm, Mechanical, External, Aluminum Top, Black Anodized, 7 psi, Each
Part Number: TBS-TS-0553-1002
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Wastegates, WG45 Gen-V Hyper-Gate, 45mm, 14 psi, Black, Each
Part Number: TBS-TS-0553-1012
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Wastegates, WG45HP Gen-V Comp-Gate, 45mm, 35 psi, Black, Each
Part Number: TBS-TS-0553-1312
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Wastegates, WG40HP Gen-V Comp-Gate, 40mm, 35 psi, Black, Each
Part Number: TBS-TS-0552-1312
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Wastegates, eWG60 Gen-V Power-Gate, 60mm, 80 psi, Electronic, Black, Each
Part Number: TBS-TS-0555-1502
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Wastegate, Gen-V WG45, Hyper-Gate 45, 14 psi, Black Anodized, Each
Part Number: TBS-TS-0553-1015
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Wastegates, WG45 Gen-V Hyper-Gate, 45mm, 14 psi, Purple, Each
Part Number: TBS-TS-0553-1013
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Wastegates, WG45 Gen-V Hyper-Gate, 45mm, 14 psi, Blue,Each
Part Number: TBS-TS-0553-1011
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Wastegates, eWG45 Gen-V Hyper-Gate, 45mm, 120 psi, Electronic, Black, Each
Part Number: TBS-TS-0553-1502
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Wastegates, WG45 Gen-V Hyper-Gate, 45mm, 14 psi, Red, Each
Part Number: TBS-TS-0553-1014
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
