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SKU: 10954 | UPC: 690092168551
Vibrant Bellmouth Velocity Stack Aluminum (5in Neck O.D. 8.75in Bellmouth O.D.)
Vibrant Performance aluminum bellmouth velocity stacks deliver smooth uninterrupted airflow into turbocharged or naturally aspirated race engines. Designed for custom turbo fabricators these stacks fit universal motor and forced induction applications from drag cars to circle track racers. Expect less turbulent intake air lower turbo lag and measurable gains in torque and horsepower from improved volumetric efficiency.
Key Features
- Premium Material: Spun from 1/8-inch thick T6061 aircraft-grade aluminum for strength and heat resistance without added weight
- Precise Dimensions: 5-inch neck outer diameter pairs with 8.75-inch bellmouth outer diameter to funnel high-volume air smoothly into intake tract
- Smooth Flow Design: Bellmouth shape minimizes air turbulence at entry point for faster spool-up and consistent power delivery
- Universal Sizing: Matches common 5-inch turbo inlets available in multiple sizes from 2.5-inch to 5-inch necks with 6-inch 7-inch or 8.75-inch bells
- Race-Proven Results: Delivers dramatic airflow increases reducing restrictions for bigger torque curves and peak horsepower numbers
Product Notes
- Raw aluminum finish allows custom polishing powder coating or ceramic coating for desired aesthetics and protection
- Inspect for secure clamp fit during mock-up to ensure airtight seal under boost
- Ships in protective packaging to prevent shipping damage box measures 10 x 10 x 10 inches
Installation Notes
- Professional installation recommended.
- Slide over 5-inch OD inlet pipe and secure with heavy-duty hose clamp or V-band clamp rated for boost pressure
- Compatible with silicone couplers or aluminum tubing no special hardware required beyond standard clamps
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | - | Custom Turbo & Race Motor Applications | - |
Why Choose Vibrant Performance?
- Trusted by racers for mandrel-bent tubing and intake components in NHRA SCCA and drag racing
- Every part built to withstand extreme heat vibration and boost in competition environments
- Precision engineering ensures repeatable fit and flow for consistent dyno-proven results
Frequently Asked Questions
-
Q: Will this velocity stack fit my specific turbo setup?
A: Yes it is universal for any 5-inch OD inlet pipe in custom turbo motor or forced induction race builds no vehicle-specific restrictions -
Q: What is the material and thickness?
A: Constructed from spun T6061 aluminum at 0.125-inch wall thickness for durability lightweight design and excellent thermal properties -
Q: What warranty coverage applies?
A: Backed by Vibrant Performance limited lifetime warranty against manufacturing defects when installed and used as intended
Shipping & Handling
- Method: Standard ground shipping via UPS or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Secure box 10 x 10 x 10 inches protects during transit
- Weight: 1.4 lbs shipping weight 1.3 lbs product weight
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