-22%
Click to zoom in
SKU: 27395 | UPC: 690092182458
Vibrant Silicone Straight Hose Coupler 3.75in ID x 12.00in Long - Gloss Black Fits Subaru WRX STI 2005-2023 Evo 2004-2021
This Vibrant Performance straight hose coupler measures 3.75 inches inside diameter by 12 inches long in gloss black silicone. It fits universal turbo compressor housings intercooler end tanks and charge pipe assemblies on performance vehicles with 3.75 inch piping including Subaru WRX STI and Mitsubishi Evolution. Aramid reinforcement handles extreme heat and pressure for reliable boost retention in air intake systems.
Key Features
- 4-Ply Aramid Reinforcement: Layers of aramid fabric between silicone provide strength for up to 100 PSI burst pressure and resist collapse under vacuum
- Wide Temperature Range: Operates from -75 Degrees F to 392 Degrees F (-60 Degrees C to 200 Degrees C) for turbocharged and high-heat applications
- Gloss Black Finish: Durable silicone exterior resists cracking fading and abrasion while delivering clean underhood appearance
- Straight Coupler Design: Precise 3.75in ID connects smooth pipes end tanks and housings without kinks for maximum airflow
- Multi-Service Compatible: Rated for water coolant and air use only ensuring safe performance in charge piping and intercooler setups
Product Notes
- Inspect hoses regularly for wear in high-boost environments
- Clean with mild soap and water avoid petroleum solvents
- Store in cool dry place away from direct sunlight
Installation Notes
- Professional installation recommended.
- Use silicone-safe clamps sized for 3.75in ID to secure ends firmly
- Compatible with T-bolt clamps and smooth mandrel bent aluminum pipes
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Turbocharged Vehicles | 3.75in Piping |
| 2005-2023 | Subaru | WRX STI | All |
| 2015-2023 | Subaru | WRX | All |
| 2004-2021 | Mitsubishi | Evolution | All |
Why Choose Vibrant Performance?
- Established leader in performance exhaust and intake components since 1995
- Engineered in USA with rigorous testing for motorsport durability
- Precise manufacturing tolerances ensure leak-free seals every time
Frequently Asked Questions
-
Q: Does this coupler fit 3.75 inch charge pipes on Subaru WRX?
A: Yes it connects directly to 3.75in ID aluminum pipes intercooler tanks and turbo outlets on WRX STI and similar setups -
Q: What material makes it heat resistant?
A: High-grade silicone with 4-ply aramid fabric reinforcement handles continuous 392F temps and resists oil coolant exposure -
Q: Is clamping hardware included?
A: No clamps included pairs with 3.75in T-bolt or spring clamps for secure installation
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Ships in 13in x 5in x 5in box
- Weight: 0.40 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