Description
Aeroflow T304 Stainless Steel 4-into-1 Merge Collector (2-1/4″ to 4″)
Precision hand-ported 4-into-1 merge collector designed to maximize exhaust gas velocity, broaden torque response, and eliminate flow restriction.
Product Overview
Engineered for high-performance custom exhaust manifolds and headers, the Aeroflow AF4225-400 merge collector blends four 2-1/4″ primary tubes into a smooth 4″ collector outlet. Crafted from heavy-duty T304 stainless steel, this collector is built to withstand extreme thermal cycle stresses in demanding motorsport environments.
Each unit features hand-ported internal geometry at the merger apex to guarantee unrestricted, turbulent-free exhaust scavenging. By maintaining high exhaust gas velocity, this 4-into-1 collector broadens your engine’s torque curve while reducing backpressure for peak power gains.
Key Features
- ☑ High-grade T304 stainless steel construction
- ☑ Hand-ported internal merge point for optimal scavenging
- ☑ 4-into-1 design with 2-1/4″ ID inlets for slip-fit tube alignment
- ☑ 4″ OD outlet ready for butt-welding or V-band installation
- ☑ Maximises flow velocity & broadens engine torque curve
Technical Specifications
| Brand | Aeroflow Performance |
|---|---|
| Manufacturer Part Number | AF4225-400 |
| Collector Configuration | 4-into-1 Merge Collector |
| Material | T304 Stainless Steel |
| Primary Inlet Size | 2-1/4″ (57.15mm) Inside Diameter (ID) |
| Collector Outlet Size | 4″ (101.6mm) Outside Diameter (OD) |
| Internal Finishing | Hand-Ported Merge Apex |
What’s Included in the Box
- 1x Aeroflow AF4225-400 T304 Stainless Steel 4-into-1 Merge Collector
Built to exact professional standards, Aeroflow Performance exhaust components offer outstanding quality and reliability for custom race builds. Order your AF4225-400 merge collector today from JP Racing for expert UK customer service, comprehensive technical guidance, and swift nationwide delivery.
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