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SKU: 19742 | UPC: 690092179236
Vibrant Universal 4 Ply Reducer Coupler 4.0in ID x 3.75in ID x 3in Long - Black
This Vibrant Performance reducer coupler steps down precisely from 4.0 inch inner diameter to 3.75 inch inner diameter over 3 inches for seamless custom air intake and turbo piping fabrication. It fits universal performance applications on modified cars trucks and imports with aftermarket intake systems. Black 4-ply silicone construction delivers reliable sealing under boost pressure and extreme heat.
Key Features
- 4-Ply Silicone Reinforcement: Handles burst pressures over 100 PSI and service temperatures from -65°F to 350°F for demanding boosted applications
- Reducer Sizing: Tapered design from 4.0in ID to 3.75in ID ensures smooth airflow transition without restrictions
- 3in Length: Provides needed flexibility for routing in compact engine bays while maintaining shape
- Oil and Chemical Resistance: Premium silicone withstands engine fluids coolants and weathering for long-term durability
- Made in USA: Precision molded for consistent fit and performance in professional race builds
Product Notes
- Hose clamps sold separately for secure attachment
- Apply silicone lubricant during installation for easier stretching over barbs
- Packaged in protective poly bag to prevent damage
Installation Notes
- Professional installation recommended.
- Use #300 series stainless steel clamps sized for 4in and 3.75in diameters
- Heat with hair dryer if needed to assist fitting over aluminum pipes
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Custom Air Intake | Turbo Piping Builds |
Why Choose Vibrant Performance?
- Earned trust of racing professionals worldwide
- Manufactured to exacting quality standards
- Complete range for intake turbo and oil system needs
Frequently Asked Questions
-
Q: Will this fit my custom turbo intake setup?
A: Yes this universal reducer works in any fabricated piping assembly matching 4.0in to 3.75in diameters on cars trucks or imports -
Q: What material and specs does it have?
A: 4-ply reinforced black silicone rated -65°F to 350°F continuous with high burst strength for boost applications -
Q: What warranty applies and install tips?
A: Limited lifetime against defects use proper clamps and avoid over-tightening for best results
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Compact poly bag dimensions 6.1 x 5.2 x 1.6 inches
- Weight: 2.4 ounces
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