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SKU: AMP-ENG-303RD
ALTA 02-06 Mini Cooper S/JCW & 02-08 S/JCW Convertible R53 Silicone Boost Couplers - Red
ALTA silicone boost couplers replace factory plastic hoses on 2002-2006 Mini Cooper S JCW R53 models and 2005-2008 Cooper S JCW Convertible R52. These red 4-ply reinforced silicone couplers prevent cracking under boost pressure for consistent power delivery. Direct bolt-on design ensures leak-free performance in forced induction setups.
Key Features
- 4-Ply Aramid Reinforcement: Withstands 30 PSI burst pressure exceeds stock plastic limits for reliable high-boost operation
- High-Temperature Silicone: Rated to 350F continuous resists heat soak maintains shape and seal during extended track use
- Precision Molded Sizes: Includes 2.25 inch ID x 2.5 inch OD taper and straight sections exact OEM match for upper lower intercooler piping
- Vibrant Red Finish: Adds engine bay style while silicone construction flexible adapts to engine movement without fatigue
- Complete Kit: Four couplers cover full supercharger boost path eliminates multiple weak points at once
Product Notes
- Inspect OEM clamps during install reuse or upgrade to T-bolt for optimal seal
- Clean surfaces before assembly use silicone-safe lubricant on inner walls
- Ships in protective tube prevents deformation compact for easy storage
Installation Notes
- Professional installation recommended.
- Remove stock plastic couplers by loosening worm-gear clamps full access requires supercharger pulley removal
- Compatible with stock hardware T-bolt clamps included for secure fit
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2006 | MINI | Cooper S | R53 |
| 2002-2006 | MINI | Cooper S | JCW R53 |
| 2005-2008 | MINI | Cooper S Convertible | R52 |
| 2005-2008 | MINI | Cooper S Convertible | JCW R52 |
Why Choose ALTA?
- Engineered specifically for Mini Cooper supercharged platforms tested on dyno and track
- USA-made quality uses premium materials for long-term reliability
- Boost-focused design proven in GP and JCW race cars
Frequently Asked Questions
-
Q: Will this fit my 2004 R53 Cooper S with JCW kit?
A: Yes matches all 2002-2006 R53 S and JCW supercharger plumbing exactly including throttle body to intercooler runs -
Q: What material are these couplers?
A: Heavy-duty 4mm wall silicone with aramid fiber reinforcement rated for supercharger boost levels up to 30 PSI and high heat -
Q: Is warranty included what does it cover?
A: Lifetime warranty against manufacturing defects covers material failure under normal use excludes abuse or improper install
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Tube-packed 10 x 3 x 3 inches
- Weight: 0.45 lbs
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