Sometimes bigger is just better. Designed for large capacity supercharged and turbocharged engines, including turbo-diesel engines, the Bubba Sonic is a large and scary full-time vent to atmosphere Blow-Off Valve.



Black Bubba Sonic with black body and trumpet

Alloy Hose Adapter/Weld Flange

V-Band Clamp

Green Spring Rated -12 to -8 InHg (installed)

Turbosmart sticker



Big Bubba Sonic has been designed for big horsepower, high performance and high boost turbo and supercharger applications. If you’re looking for an inconspicuous, valve for your small capacity, low boost daily driver you will need to look elsewhere! All the owners of big and small block Chevs and Fords, drag rotaries, straight sixes and big turbo diesels looking for a better response from your turbo or supercharger – the Big Bubba Sonic is for you!


Also available in this range: Plumb back and Sleeper – Slightly less conspicuous.


Springs available for the Big Bubba range: 7, 12, 17 and 21 inHg.

SKU TS-0204-1303
Brand Turbosmart
Shipping Weight 1.0000kg

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