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SKU: 19723 | UPC: 690092178475
Vibrant Silicone Reducer Coupler 1.625in ID x 1.375in ID x 3.00in Long - Black for Miata Civic RSX Golf Turbo Builds
Vibrant Performance aramid reinforced silicone transition hose coupler connects 1.625 inch to 1.375 inch pipes in custom air intake turbocharger and intercooler systems. Fits 1989-2005 Mazda Miata turbo builds 1992-2000 Honda Civic EG EK turbo 2002-2006 Acura RSX K20 turbo and 1999-2004 VW Golf MK4 1.8T plus universal small frame T3 T25 GT28 turbos. Handles high boost pressures up to 100 PSI and temperatures from -75 Degrees F to 392 Degrees F for reliable sealing and flow in performance vehicles.
Key Features
- Aramid Reinforcement: High temperature resistant fabric layered between silicone for burst strength up to 100 PSI and long term durability under pressure
- Precise Sizing: 1.625in ID large end tapers smoothly to 1.375in ID small end over 3.00in length for seamless transition in tight turbo plumbing
- Extreme Temperature Range: Operates from -75 Degrees F to 392 Degrees F without hardening cracking or collapsing
- Flexible Black Silicone: 4 ply construction resists kinking and abrasion in engine bays with constant vibration and heat cycling
- Multi Fluid Compatible: Designed for water coolant and air service in intake intercooler and charge pipe applications
Product Notes
- Compresses for shipping expands to full size upon installation verify pipe OD matches ID
- Use with stainless steel hose clamps size 44 to 52mm on large end and 36 to 44mm on small end
- Store in cool dry place away from oils fuels or direct sunlight
Installation Notes
- Professional installation recommended.
- Heat with hair dryer if needed for easier fit over barbed aluminum pipes
- Compatible with T-bolt clamps or standard worm gear clamps torque to 50 in-lbs
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Custom Turbo Intake | Air Charge Piping |
| 1989-2005 | Mazda | Miata | Turbo Builds |
| 1992-2000 | Honda | Civic | EG EK Turbo |
| 2002-2006 | Acura | RSX | K20 Turbo |
| 1999-2004 | Volkswagen | Golf MK4 | 1.8T |
| Universal | All | Small Frame Turbo | T3 T25 GT28 |
Why Choose Vibrant Performance?
- Established leader in motorsports intake and exhaust components since 1995
- Handmade in USA with premium silicone for consistent quality and performance
- Engineered tolerances ensure leak free connections in high vibration environments
Frequently Asked Questions
-
Q: Will this coupler fit my custom turbo setup?
A: Yes fits 1.625in OD pipes to 1.375in OD pipes common on T25 GT28 turbos and 35-41mm throttle bodies in Honda Civic Miata and VW applications -
Q: What material makes it heat resistant?
A: 4 ply black silicone with aramid fiber reinforcement layers withstands 392F continuous and burst pressures over 100 PSI -
Q: Does it include clamps or warranty?
A: Sold individually no clamps included Vibrant offers limited lifetime warranty against manufacturing defects
Shipping &. Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Poly bag in 6in x 4in x 2in box
- Weight: 0.20 lbs
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