Vortech Silicone Coupling Sleeve 4.00" to 3.50" 3.0" Length Straight Reducer - Black 7PS400-350
4.00" to 3.50" Straight Silicone Reducer Coupler for Vortech Systems
The Vortech Silicone Coupling Sleeve (PN 7PS400-350) is a premium straight reducer silicone coupler engineered for smooth, secure diameter transitions in supercharger intake and charge piping systems. This reducer steps from a 4.00-inch inside diameter to a 3.50-inch inside diameter and features a 3.0-inch overall length, providing added engagement area for reliable clamping and sealing under boost.
Manufactured from reinforced silicone and finished in black, this coupling is built to handle the heat, pressure, and vibration common in forced-induction environments. When used with proper clamps, it delivers a durable, leak-free connection suitable for both intake and pressurized charge pipe locations.
Design & Application
This straight reducer sleeve is ideal for adapting mismatched tubing sizes in Vortech supercharger systems, intercooler piping, or custom intake routing. The straight-through design supports smooth airflow while the 3.0-inch length provides additional sealing surface - especially beneficial in higher-boost or high-vibration applications.
As with all forced-induction hose connections, correct clamp selection and proper installation are essential to ensure consistent, leak-free performance.
Construction Features
- Reinforced silicone construction for strength and durability
- Straight reducer design for smooth airflow transition
- Resistant to heat, pressure, and common engine bay contaminants
- Designed for supercharger intake and charge piping applications
- Black finish for a clean, OEM-style appearance
Quick Specs
- Manufacturer: Vortech Superchargers
- Part Number: 7PS400-350
- Product Type: Silicone Reducer Coupling
- Configuration: Straight Reducer Sleeve
- Large End Inside Diameter: 4.00 inches
- Small End Inside Diameter: 3.50 inches
- Length: 3.0 inches
- Color: Black
Why Buy from Beefcake Racing?
Beefcake Racing is an authorized :contentReference[oaicite:0]{index=0} dealer offering genuine silicone couplers engineered specifically for supercharged applications. Whether you're adapting charge piping or completing a custom intake setup, our team can help ensure you select the correct reducer size and length for a secure, leak-free installation.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

