Billet Aluminum Couplers 2.5" inch OD with 1/8 inch NPT Bung

Features:

• Fits 2.5" inch outer diameter tubing
• Includes 1/8 inch NPT sensor bung
• Universal fit for custom applications
• CNC machined from billet aluminum
• Built for turbo and intake setups
• Angled ends for better clamp grip
• Wide shoulders for secure clamping
• Durable design for long-term use
• Ideal for sensor or probe integration
• Designed for high-performance builds
• Supports boost, vacuum, or air sensors
• Backed by 1 year limited warranty

Build Your Custom Setup With Total Confidence

If you're fabricating your own turbo or intake system, you know the small parts can make the biggest difference. The PPE 2.5 Inch Billet Aluminum Coupler is the kind of upgrade that takes your custom build from decent to dependable. With its tough billet aluminum construction and integrated 1/8 inch NPT bung, this coupler is ready to handle whatever you throw at it, whether it’s boost, vacuum, or sensor inputs. It's built to stay put, with wide shoulders and angled ends that give clamps a solid grip, even under pressure. Whether you're installing a boost gauge or routing a custom intake, you’ll appreciate how well this part holds up. It’s clean, it’s strong, and it’s ready to fit into your setup without any extra hassle. When you're putting something together that needs to last, this is the kind of hardware you reach for.

Precision Machined To Support Real World Performance

The PPE 515900250 Billet Aluminum Coupler is a universal solution for enthusiasts building high-performance systems that demand precision and durability. Machined from solid billet aluminum, it offers a 2.5 inch outer diameter that’s compatible with most custom intake or charge pipe setups. The 1/8 inch NPT bung allows for seamless integration of sensors like boost, air temperature, or vacuum probes, making this part incredibly versatile for tuning and monitoring applications. Its design features wide shoulders and slightly angled ends, which help maintain a secure seal under high clamp load and reduce the chances of slipping under boost. This makes it especially well-suited for builds running elevated pressures or high-heat conditions. Every piece is CNC machined for consistency and a perfect fit, giving you peace of mind during assembly and under load. Whether you're working on a street build or something for the track, this coupler is built to handle serious demands.

Fits: Universal

Notes:

• Designed for universal custom fabrication projects
• Fits tubing with 2.5" inch outer diameter
• Includes integrated 1/8 inch NPT bung for sensors
• Ideal for turbo systems, intakes, or boost monitoring
• Machined from solid billet aluminum for durability
• Features angled ends and wide shoulders for better clamp grip
• Compatible with a variety of sensor types and fittings
• Recommended for high-pressure or high-heat applications
• Requires basic fabrication knowledge for proper installation
• Covered by a 1 year limited manufacturer warranty