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SKU: 19746 | UPC: 690092182540
Vibrant 4 Ply Reducer Coupler 4in ID x 4.25in ID x 4.5in Long - Black (Universal Fit)
The Vibrant Performance 4 Ply Reducer Coupler in black silicone connects 4-inch to 4.25-inch pipes in custom air intake tracts intercooler setups and turbo piping. This universal part suits cars trucks and performance vehicles requiring flexible durable transitions for unrestricted airflow. It withstands extreme heat and boost for consistent power delivery.
Key Features
- 4-Ply Reinforced Silicone: Delivers strength for pressures up to 75 PSI continuous and temperatures from -65°F to 350°F in demanding applications
- Reducer Sizing: Tapers precisely from 4in ID to 4.25in ID over 4.5in length for smooth connections without turbulence
- Flexible Design: Bends and stretches to fit tight spaces in engine bays while maintaining airtight seals
- Oil and Fuel Resistant: Black silicone resists degradation from automotive fluids ensuring long-term reliability
- Professional Grade Build: Hand-layered construction provides consistent wall thickness for even clamping and performance
Product Notes
- Requires stainless steel hose clamps sized 4in to 4.5in for secure installation
- Apply silicone lubricant during assembly for easier fitting and removal
- Packed in protective sleeve to prevent shipping damage
Installation Notes
- Professional installation recommended.
- Clean pipe ends thoroughly before sliding on coupler for optimal adhesion
- Compatible with T-bolt clamps or standard worm gear clamps rated for boost
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Custom Intake/Turbo | All Applications |
Why Choose Vibrant Performance?
- Earns trust from racing teams and builders worldwide
- Builds products to exacting quality standards for repeated use
- Engineers full range of oil and air system components
Frequently Asked Questions
-
Q: Does this coupler fit specific vehicles?
A: Designed as universal part for any custom air intake intercooler or charge pipe setup on cars trucks or boosted engines -
Q: What material properties does it have?
A: 4-ply layered black silicone rated -65°F to 350°F resists oil coolant ozone and fuel permeation -
Q: What clamps are needed for installation?
A: Use 4in to 4.5in ID high-torque clamps torqued to 60 inch-pounds Vibrant offers matching clamps
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Compact protective box 6in x 6in x 2in
- Weight: 0.45 lbs
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Looks pretty nice
Looks pretty nice, pricing was good and the reinforcement is a big plus.
Randy H.
Black Ops Auto Works
I emailed customer service to inquire about when it would be shipped
I emailed customer service to inquire about when it would be shipped. They checked and emailed me with the answer. Customer service is A1
Ralph J.
Black Ops Auto Works
Installation was easy
Installation was easy. The price is good and it looks great on the truck.
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