Speedmaster®
Air Horn / Trumpet For Downdraft EFI Intake Manifold - Single
Product Information
Overview
Speedmaster high quality aluminum replacement air horn to suit downdraft intake manifolds.
Specs
| Brand: | Speedmaster |
| Part Number: | PCE638.1007 |
| Part Type: | Intake Manifold, Fuel Injected Component |
| Material: | Aluminum |
| Finish: | Natural |
| Quantity: | Sold Individually. |
Description
Suitable Downdraft Manifolds:
1-148-011 - SBF 289/302W Polished Downdraft
1-148-015 - SBF 289/302W Black Downdraft
1-148-016 - SBF 289/302W Satin Downdraft
PCE148.1032- SBF 289/302W Downdraft
Prop 65 Warning
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Installation Guide
Our AI assistant generates a step-by-step guide for this product — covering installation, maintenance, and troubleshooting.
This AI-generated guide is for general reference only and does not constitute official Speedmaster product documentation. Always verify fitment, torque specifications, and safety requirements before installation.



