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SKU: 66004 | UPC: 690092182960
Vibrant SS Flex Coupling with Interlock Liner and Mesh Braid 3in Inlet/Outlet x 4in Long Universal Fit
This Vibrant Performance flex coupling installs in 3 inch exhaust systems on cars trucks and SUVs to handle engine movement and vibration without cracking pipes. The 4 inch length stainless steel design with interlock liner and mesh braid maintains shape under heat cycles for reliable exhaust flow. Ideal for custom fabrication performance builds and OEM replacements needing durable flex sections.
Key Features
- 304 Stainless Steel Build: Resists corrosion and withstands high exhaust temperatures up to 1600F for long service life in harsh conditions
- Interlock Liner: Reinforces inner walls to prevent collapse ovaling or fatigue during flexing and torque
- Stainless Mesh Braid: Wraps exterior for added burst strength and flexibility without restricting movement
- 3 Inch Inlet/Outlet: Matches standard 3in tubing for seamless integration in turbo downpipes cat-back systems and headers
- Compact 4 Inch Length: Fits tight spaces while providing effective isolation from chassis and engine vibes
Product Notes
- Band clamps required for secure installation sold separately as Vibrant 99902 or equivalent
- Inspect regularly for wear in high-heat racing applications
- Box dimensions 6in x 4in x 4in weight 0.8 lbs for easy handling
Installation Notes
- Professional installation recommended.
- Slide over 3in exhaust pipes and secure with 3in stainless band clamps torque to 60 in-lbs
- Compatible with weld-on or slip-fit exhaust components align straight before tightening
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | 3in Exhaust Systems | All |
| 1988-1998 | Chevrolet | C/K1500 | All |
| 1999-2006 | Chevrolet | Silverado 1500 | All |
| 2004-2008 | Ford | F-150 | 5.4L V8 |
| 1997-2004 | Chevrolet | Corvette | C5 |
| 2005-2014 | Ford | Mustang | GT |
Why Choose Vibrant Performance?
- Trusted by racers and builders for exhaust components since 1995
- Uses premium 304 grade stainless for strength and heat resistance
- Engineered in USA for precise fit and vibration damping
Frequently Asked Questions
-
Q: Will this flex coupling fit my 3 inch custom exhaust?
A: Yes designed for universal use on any vehicle with 3in OD exhaust tubing including cars trucks SUVs and off-road builds -
Q: What material is used and how durable is it?
A: Full 304 stainless steel construction with interlock liner and mesh braid handles 1600F temps and flexes without kinking for years of service -
Q: What is needed for installation and warranty?
A: Requires 3in stainless band clamps sold separate easy bolt-on or weld professional install advised Vibrant offers limited lifetime warranty against defects
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Protective cardboard box 6 x 4 x 4 inches
- Weight: 0.8 lbs
Fabrication
Shop Fabrication Parts and Materials at Black Ops Auto Works for stainless steel tubing, titanium tubing, aluminum charge piping, mandrel bends, V-band clamps, flanges, merge collectors, AN fittings, PTFE hose kits, braided fuel and oil lines, heat shields, welding supplies, brackets, bungs, and hardware for building custom exhaust systems, turbo plumbing, intercooler piping, and fuel system routing. Start with tubing in stainless, titanium, or aluminum in the right diameter and wall thickness, then add mandrel bends, flanges, V-bands, and clamps to complete the joint work. Black Ops Auto Works carries 5,866 fabrication SKUs from Vibrant Performance, Ticon Industries, Stainless Bros, Radium Engineering, Fragola, DEI, and ATP Turbo. Why Custom Fabrication Custom fabrication solves fitment problems that no universal or pre-bent kit can address. Raw tubing, flanges, and fittings give the fabricator freedom to route exhaust around a turbo, snake charge pipe around accessories, hard-...
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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...
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