-25%
Sold out
Click to zoom in
SKU: 19735 | UPC: 690092178604
Vibrant 4 Ply Reducer Coupler 3.5in ID x 2.75in ID x 3in Long - Black - Universal Fit
This Vibrant Performance silicone reducer coupler connects 3.5 inch to 2.75 inch tubing in custom air intake and turbo systems. It fits a wide range of performance vehicles requiring flexible reinforced hoses for intercooler piping boost lines and throttle body setups. The 4-ply construction handles high boost pressures and extreme temperatures for reliable airflow.
Key Features
- 4-Ply Aramid Reinforcement: Built with four layers of aramid fabric to resist up to 85 PSI burst pressure and prevent blowouts under boost
- High-Temperature Silicone: Rated for 350°F continuous and 400°F intermittent service to endure heat from engines and turbos
- Precise Sizing: 3.5 inch ID large end tapers smoothly to 2.75 inch ID small end over 3 inch length for seamless tubing transitions
- Flexible Design: Absorbs engine vibration and movement to maintain airtight seals and reduce leaks
- Black Finish: UV and ozone resistant silicone stays pliable and crack-free for long-term durability
Product Notes
- Inspect clamps and barbs before installation to ensure secure fit
- Clean with mild soap and water avoid petroleum solvents
- Store in cool dry place away from direct sunlight
Installation Notes
- Professional installation recommended.
- Use T-bolt clamps sized for 3.5 inch and 2.75 inch diameters for secure hold
- Compatible with aluminum plastic and stainless steel piping barbs
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | - | Custom Air Intake Turbo Intercooler Piping | All |
Why Choose Vibrant Performance?
- Earned trust of industry professionals worldwide
- Manufactured to highest standards of quality and reliability
- Complete range of performance components for any application
Frequently Asked Questions
-
Q: Does this coupler fit specific turbo setups?
A: Universal design works with any 3.5in to 2.75in tubing in custom intake intercooler or boost pipe applications across cars trucks and race vehicles -
Q: What material is used and temperature rating?
A: High-grade 4-ply reinforced silicone handles 350°F continuous and 400°F peaks resists oil fuel and weathering -
Q: What warranty applies and install tips?
A: Backed by Vibrant Performance limited warranty use quality clamps and heat wrap if exposed to extreme underhood temps for best results
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Protective poly bag in 6in x 4in x 2in box
- Weight: 0.25 lbs
Air Intake Systems
Air intake systems for Hellcat, Trackhawk, TRX, HEMI, and import performance platforms are stocked at Black Ops Auto Works. Shop cold air intakes, short ram intakes, air boxes, intake elbows, mass air flow sensors, scoops, snorkels, and silicone couplers for street cars, trucks, Jeeps, and supercharged Mopar builds. Every intake system is filterable by vehicle platform, engine, and intake style so the correct part ships the first time. Black Ops Auto Works carries 4,427 air intake SKUs across cold air intakes, short ram intakes, and supporting components. What This Category Covers An air intake system pulls outside air into the engine and filters it before combustion. Upgrading the factory intake with a cold air intake, short ram intake, or carbon fiber system can improve airflow, throttle response, induction sound, and horsepower potential on compatible applications. Cold Air Intakes vs Short Ram Intakes Cold air intakes route the filter away from engine bay heat for cooler, de...
View Air Intake Systems Products
Silicone Couplers & Hoses
Silicone couplers and hoses for Hellcat, Charger, Challenger, and import turbo platforms are stocked at Black Ops Auto Works. Shop straight silicone couplers, reducer couplers, 45 and 90 degree elbows, transition elbows, hump hoses, T-hose couplers, and reinforced silicone hoses for cold air intake, intercooler piping, turbocharger, supercharger, and coolant routing builds. Every product is filterable by diameter, ply count, and application so the correct part ships the first time. Black Ops Auto Works carries 443 silicone coupler and hose SKUs across straight, reducer, elbow, and reinforced hose categories. What This Category Covers Silicone couplers and hoses connect intake, intercooler, turbocharger, supercharger, and coolant plumbing sections in both direct fit and custom fabrication applications. Silicone construction offers strong resistance to heat, pressure, and harsh engine bay conditions compared to standard rubber hose, making it the preferred material for boosted and...
View Silicone Couplers & Hoses Products
Vibrant
Vibrant Performance parts for custom exhaust, turbo builds, and fabrication projects are stocked at Black Ops Auto Works. Shop clamps, V-band flanges, mandrel bends, silicone couplers, wideband bungs, catalytic converters, resonators, tips, mufflers, oil catch cans, AN fittings, hoses, wastegate flanges, and fuel system fittings for street, race, drift, and off-road builds. Every product is filterable by size, material, and fitting type so the correct part ships the first time. Black Ops Auto Works carries 3,096 Vibrant Performance SKUs across exhaust fabrication, forced induction plumbing, and fuel system hardware. What This Brand Covers Vibrant Performance manufactures exhaust and fabrication parts for DIY custom exhaust, turbo builds, and general fabrication work. The catalog spans stainless mandrel bends and V-band flanges for exhaust construction, silicone couplers and hump hoses for intercooler and intake plumbing, and AN fittings and PTFE hose for fuel and oil systems. Fa...
View Vibrant Products