GFB-5604 Blow Off Valve Trumpet – Compact BOV Sound Enhancer & Filter Adapter

GFB-5604 Blow Off Valve Trumpet – Compact BOV Sound Enhancer & Filter Adapter

Take your turbo setup to the next level with the GFB-5604 Blow Off Valve Trumpet, engineered by Go Fast Bits to deliver a sharper, more aggressive blow-off sound while maintaining protection for your valve.

This compact trumpet is ideal for tight engine bays, allowing you to run a vent-to-atmosphere blow-off valve with the option of adding a protective filter to keep contaminants out.

🔧 Key Features & Benefits

• Aggressive BOV Sound – Enhances turbo venting noise for that signature “whoosh”
• Compact Design – Perfect for limited space engine bays
• Filter Compatible – Suits 38mm (1.5″) clamp-on filters
• Protects Your BOV – Helps reduce dirt and debris entering the valve
• Durable Construction – Built for high-performance and boosted applications
• Easy Fitment – Direct bolt-on for compatible GFB blow-off valves

🚗 Compatibility

The GFB-5604 trumpet is designed to suit a range of GFB valves including:

• Respons Series BOVs
• Deceptor Pro II
• SXV Blow Off Valves
• Hybrid & Mach 2 valves

Suitable for most turbocharged petrol vehicles running atmospheric or hybrid setups.

⚙️ Why Choose the GFB-5604?

If you’re after a clean install with minimal space, the GFB-5604 is the perfect solution. It delivers the same aggressive sound as larger trumpets but in a more compact footprint, making it ideal for modern engine bays where clearance is tight.

It’s the go-to choice for:

• Street builds needing compact fitment
• Turbo setups with limited clearance
• Enthusiasts chasing louder BOV sound with protection