Premium Black Silicone End Cap engineered for clean sealing and long-lasting durability. Constructed from high-quality reinforced silicone, this cap is designed to withstand heat, pressure, and harsh engine bay conditions while maintaining a secure fit. The smooth black finish delivers a clean OEM+ appearance, making it ideal for custom automotive applications, intake systems, vacuum ports, intercooler piping, and boosted setups.
Built with multi-layer 3-ply reinforced construction for added strength and reliability, this silicone end cap resists cracking, fading, and deformation over time. Perfect for performance enthusiasts looking for a professional finish with dependable performance.
INSTALLATION VIDEO - CLICK HERE
Features:
- High-temperature reinforced silicone construction
- 3-ply durable multi-layer reinforced design with 4mm thickness
- Black OEM-style finish
- Resistant to heat, pressure, and wear
- Ideal for intake, boost, vacuum, and custom piping applications
- Flexible yet secure fit for long-term reliability
- Temperature Resistance: -58°F to 428°F
- 25mm (1in) ID | 33mm (1.3in) OD | 42mm (1.65in) Long | 38mm (1.5in) Depth
- Includes 1 Silicone Cap
Universal 1" (25mm) Black Reinforced Silicone Cap
Orders get processed within 24-48 hours. Standard shipping can take another 3-5 business days. For PREORDER items, please see the estimated ship date on the listing.


