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SKU: 19737 | UPC: 690092182526
Vibrant 4 Ply Reducer Coupler 3in ID x 3.75in ID x 3in Long - Black
This Vibrant Performance silicone reducer coupler connects 3-inch to 3.75-inch diameter pipes in custom air intake and turbocharger systems. It suits universal applications on performance vehicles with modified intakes needing reliable transitions. The 4-ply design ensures airtight seals and flexibility under boost pressures and extreme heat.
Key Features
- 4-Ply Polyester Reinforcement: Built to withstand working pressures up to 80 PSI at 350°F and burst pressures over 250 PSI for dependable performance in boosted setups
- High-Temperature Silicone: Operates continuously from -65°F to 500°F with excellent flexibility to 350°F preventing cracks or failures
- Precise Sizing: 3.00in ID x 3.75in ID x 3.00in long with tolerances of +/-1/32in ID and +/-1/16in length for exact fits in tight spaces
- Black Silicone Construction: Resists weathering oil and fuel vapors while providing a clean professional appearance in engine bays
- Universal Compatibility: Ideal for air intake systems silicone couplers and hoses in turbo intercooler piping and charge tubes
Product Notes
- Inspect for proper clamp tension after initial heat cycles
- Clean with mild soap and water avoid harsh chemicals
- Store in cool dry place away from direct sunlight
Installation Notes
- Professional installation recommended.
- Use T-bolt or heavy-duty clamps sized for 3in and 3.75in diameters not included
- Compatible with standard mandrel-bent aluminum piping heat resistant adhesives optional for ends
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All Makes | All Models | Custom Air Intake Turbo Systems |
Why Choose Vibrant Performance?
- Trusted by industry professionals worldwide for reliability in performance applications
- Manufactured to strict quality standards for consistent results
- Complete product line covers all motorsport and automotive needs
Frequently Asked Questions
-
Q: Will this coupler work on my custom intake setup?
A: Yes this universal reducer fits any 3in to 3.75in piping transition in turbo supercharged or naturally aspirated performance builds -
Q: What material and temperature range does it handle?
A: Made from 4-ply reinforced black silicone rated for -65°F to 500°F continuous service with high flexibility -
Q: What warranty applies and are clamps needed?
A: Backed by Vibrant limited lifetime warranty clamps sold separately for secure installation
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Protective poly bag and box
- Weight: 0.30 lbs
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View Vibrant ProductsLet customers speak for us
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.
Ralph J.
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