Granatelli 540244 Features:

• True 44mm valve diameter for maximum exhaust flow
• Water-cooled diaphragm housing for unmatched thermal stability
• Precise, consistent boost control under extreme conditions
• Black anodized billet aluminum top cap for durability and a stealth finish
• Heavy-duty stainless-steel base with natural finish
• Includes V-Band inlet/outlet flanges and clamps

The Ultimate Boost Control Solution:

If you demand power, predictability, and hardware thatstays locked in under brutal heat, this is your wastegate. Built for racers andhigh-performance street builds, Granatelli’s water-cooled diaphragm wastegatedelivers when controlling boost isn’t optional—it’s mission-critical.

Engineered for superior stability, cooler operation, and precise boost control:

When you're pushing serious boost, heat becomes your biggest enemy. Granatelli’s water-cooled diaphragm wastegate eliminates that weakness by circulating coolant through the diaphragm housing, keeping temperatures stable and performance consistent. The result? Harder runs, tighter regulation, and a wastegate that doesn’t flinch when the heat is on.

Designed for drag racing and high-performance street use, this 44mm wastegate delivers the reliability and precision your build deserves.

Water-Cooled Diaphragm Advantage:

Traditional wastegates struggle as temperatures climb. This water-cooled diaphragm system stays thermally stable under extreme exhaust heat, giving you: Consistent boost control, Longer diaphragm life, Reduced boost creep in high-heat environments, More accurate boost regulation.

A black anodized billet aluminum cap and a natural-finish stainless steel base complete a design built to take abuse without missing a beat.

Straightforward Installation:

Installation is simple with the included V-Band inlet and outlet flanges and clamps. Designed for hassle-free setup, this wastegate arrives ready for integration into your high-performance system with no complicated adjustments required.

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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