SYSTEM1 DESIGNS 4100 Silicone Coupler Intake Pipe Bolt Clamp 695845549816 4490-2 2.75 2X

( Brand: System1 Designs ), ( Manufacturer Part Number: 4100 ), ( Type: Turbo Coupler ), ( Features: Adjustable ), ( Items Included: Coupler ), ( Color: Black ), ( Ipn: S1d 4100 4490-2 ), ( Size: 2.75 Inches ), ( Fitment Type: Performance/custom ), ( UPC: 695845549816 )

Review SYSTEM1 DESIGNS 2.75 Inch Black Silicone Coupler 45 Degree Intake Pipe 2x T bolt Clamp fits TURBO

The System 1 4100 4490-2 2.75 silicone coupler is a high-performance aftermarket component designed to replace the OEM intake manifold gasket in various applications. This coupler is specifically engineered for use with 2.75-inch turbo intake pipes and is compatible with 4100 and 4490 series engines.

The 2.75 silicone coupler is made from premium-grade silicone material, ensuring superior flexibility, durability, and heat resistance. It features a seamless design with no joints or welds, eliminating the possibility of leaks and providing a smooth airflow path for optimal engine performance.

Measuring 4.1 inches (104.1mm) in length, 4.4 inches (111.8mm) in width, and 0.2 inches (5.1mm) in height, this coupler is precisely sized to fit and function effectively in the specified engine bays. Its compact design allows for a snug fit, minimizing the potential for vibration and ensuring a secure connection between the intake manifold and turbo intake pipe.

The System 1 2.75 silicone coupler comes with two T-bolt clamps, which are crucial for securing the coupler to the intake manifold and turbo intake pipe. These clamps are made from high-strength materials and feature a durable, easy-to-use design, allowing for quick and secure installation. The clamps also come with reinforced, adjustable tensioners, ensuring a perfect fit and eliminating the need for additional tools during installation.

This silicone coupler is an excellent upgrade for enthusiasts seeking to improve their engine's performance, efficiency, and durability. Its high-quality materials, precise dimensions, and easy-to-install design make it a must-have component for anyone looking to enhance their vehicle's powertrain.

Pros and Cons of Buying a System1 4100 4490-2 2.75 Silicone Coupler, 45 Turbo Intake Pipe, and 2x T-Bolt Clamp

- Designed to connect turbocharger outlets to the intake manifold.

- Made of high-quality, heat-resistant silicone material.

- Flexible design allows for better engine movement and less stress on the coupler.

- OEM-style design ensures a proper fit and seal.

- Requires precise installation to avoid leaks.

- Silicone material may be more susceptible to damage from oil and coolant compared to metal couplers.

- Improves airflow from the turbocharger to the engine.

- Polished finish enhances the appearance of the engine.

- Lightweight and durable design.

- Compatible with various turbocharger setups.

- May require additional modifications for a perfect fit.

- Higher-end options can be quite expensive.

- Secures the silicone coupler and turbo intake pipe in place.

- T-bolt design allows for easy installation and removal.

- High clamping force ensures a leak-free seal.

- May require additional hardware for installation.

- Cheaper options may not offer the same level of durability.

The System1 4100 4490-2 2.75 silicone coupler, 45 turbo intake pipe, and 2x T-bolt clamp are essential components for those looking to upgrade their engine's performance by installing a turbocharger. These parts offer several advantages, including improved airflow, better engine movement, and a precise seal. However, they do require careful installation and may come with some challenges, such as precision fitting and potential damage from oil and coolant.

To ensure the best possible results, consider purchasing these parts from a reputable automotive supplier or directly from the manufacturer. Additionally, be prepared to invest time and effort into the installation process to ensure a proper fit and seal. Lastly, consider the long-term benefits of these upgrades, such as increased engine performance and improved fuel efficiency, to justify the initial investment.

Details:

Our '3-ply' meet rigorous standards and have been field tested time again. Features: Size: 2.75. They also feature a temperature rating of 428 F for direct to Turbocharger installations. System1 Designs line of silicone couplets feature 3 layers polyester reinforcement and are suitable for applications with boost pressures up to 45psi.

part #: 4100 prices

• $20.99-$30.99

specifications turbiparts:

• for models: Turbo
• brand: System1 Designs
• mpn: 4100
• type: Turbo Coupler
• features: Adjustable
• items included: Coupler
• color: Black
• ipn: S1d 4100 4490-2
• size: 2.75 Inches
• fitment type: Performance/custom
• upc: 695845549816

returns turbiparts:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

shipping turbiparts:

• class: Standard
• type: Fixed
• cost: $0.00
• service: Standard
• transit: 3-8 Days

payments turbiparts:

• other
• credit card: Mastercard
• wallet: Apple-pay

seller turbiparts:

• rating: 98.4%
• city: Wrightstown, Wisconsin
• # reviews: 65836

general turbiparts:

• Air Fuel Delivery > Turbos, Superchargers Intercoolers > Turbos Parts
• condition: New

offer turbiparts:

• started: August 13, 2025
• options: Ship-to-home
• availability: In Stock
• sold: 0

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