SKU: 19716 | UPC: 690092178406
Vibrant 4 Ply Reducer Coupling 1.375in x 1in x 3in Long – Black – Universal Fit
This Vibrant Performance reducer coupling transitions from 1.375 inch to 1 inch diameter over 3 inches length making it ideal for custom air intake turbocharger and intercooler piping setups on performance vehicles. The black silicone construction with aramid reinforcement handles extreme temperatures from -76 Degrees F to 392 Degrees F while providing flexibility and burst resistance. Designed for water coolant and air applications it ensures reliable connections in high boost environments.
Key Features
- Aramid Fiber Reinforcement: Four layers of high temperature resistant fabric embedded between silicone walls deliver high strength and pressure handling up to 100 psi
- Wide Temperature Range: Operates reliably from -76 Degrees F to 392 Degrees F suitable for extreme engine bay conditions
- Precise Reducer Dimensions: 1.375 inch large ID to 1 inch small ID with 3 inch overall length for seamless fit in tight spaces
- Flexible Black Silicone: Maintains shape under vacuum or pressure while black color resists cracking and provides clean underhood appearance
- Application Specific: Rated for water coolant and air service ensuring safe use in intake and cooling systems
Product Notes
- Use with compatible stainless steel clamps sized for 1 to 1.375 inch hoses
- Inspect regularly for wear in high vibration applications
- Packaged in protective poly bag ships in 6 x 4 x 2 inch box
Installation Notes
- Professional installation recommended.
- Clean mating surfaces and lubricate with silicone spray for easy fit
- Compatible with T-bolt or spring clamps secure with even torque
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Custom Turbo Intercooler Piping | Air Intake Systems |
| Universal | All | Performance Vehicles | Aftermarket Intakes |
Why Choose Vibrant Performance?
- Proven leader in motorsports intake and exhaust components
- Premium materials built for endurance racing demands
- Precision engineered for consistent fit and performance
Frequently Asked Questions
- Q: Does this fit specific turbo setups?
A: Universal design works with any 1 to 1.375 inch piping in custom air intake intercooler or boost hose applications on cars trucks and motorcycles - Q: What is the construction material?
A: Four ply silicone hose reinforced with aramid fabric layers for heat resistance flexibility and high pressure capability - Q: What clamps should I use for installation?
A: Pair with 1 inch to 1.375 inch stainless T-bolt clamps torque to manufacturer specs for secure seal
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Protective poly sleeve in 6 x 4 x 2 inch cardboard box
- Weight: 0.10 lbs





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