Silicone Connectors

When assembling an intake system, the challenge usually isn’t the pipe itself, but rather ensuring a tight connection at the correct angle. If you want to maintain pressure, compensate for slight engine movements, and fit into a tight compartment, a silicone connector is the right solution. TurboWorks silicone elbows dominate this category, so you first select the geometry and then the diameter.

What are the benefits of a silicone connector in the intake system?

In the intake system, a silicone connector provides sealing, vibration damping, and safe flow through the bend. Silicone retains its elasticity better than regular rubber, which is why it withstands pressure pulsations, powertrain movement, and high temperatures in the engine compartment more easily.

TurboWorks elbows operate under conditions where thermal resistance and chemical resistance to oil and grease are critical. Reinforced with a four-layer braid, a wall thickness of approximately 5 mm, a lower operating limit of approximately -50 °C, and testing up to 7 bar help ensure long-term durability without material swelling or leaks after several heating cycles.

How to choose the right angle and diameter without making a mistake?

When selecting an elbow, people most often confuse the inner diameter with the outer diameter of the pipe. Silicone fittings must fit the pipe or hose with the correct clamp pressure; otherwise, the fitting will be too loose or overly tight. This category includes diameters of 25, 32, 35, 38, 40, 45, 51, 57, 60, 63, 70, 80, and 89 mm, as well as angles of 45°, 90°, 135°, and 180°.

The simplest classification is as follows:

• a 135° angle for bypassing fittings and a gentler change in flow direction
• a 180° angle for turning the hose around over a short distance
• smaller diameter for tight layouts and shorter intake runs
• larger diameter for systems with higher airflow requirements

The black or blue version does not affect functionality. The color is usually chosen to match the engine compartment’s appearance and to make it easier to check for dirt.

What specifications should you consider before purchasing?

The selection process doesn’t end with the angle alone. Other important factors include the bend radius, space for clamps, clearance for inserting the ends, and the actual operating temperature at the turbine or intercooler. In the event of significant vibrations, the material’s flexibility helps maintain a tight seal without the formation of micro-leaks.

Before making your selection, check the following first and foremost:

• the inner diameter matching the fitting or pipe
• the elbow angle compatible with the piping layout
• operating conditions, including temperature, oil, and vibrations
• availability of the selected size, as some variants may be temporarily out of stock

If your priority is a durable intake seal without constant adjustments, it’s best to select a silicone connector by first considering its geometry and diameter, and only then focusing on its appearance. This approach usually saves time, reduces the need for clamps, and eliminates the need for reinstallation.

FAQ

What angles and sizes of TurboWorks elbows are available?

The product line includes 45°, 90°, 135°, and 180° angles. Available diameters: 25, 32, 35, 38, 40, 45, 51, 57, 60, 63, 70, 80, and 89 mm. We recommend selecting the angle first, then the diameter.

Why does silicone perform better than regular rubber in an intake system?

Silicone is more flexible, better at damping vibrations and pressure pulsations, withstands higher temperatures, and has greater chemical resistance to oil and grease, which reduces swelling.

How can you avoid mistakes when fitting a connector to a pipe?

Measure the inner diameter of the port, leave some extra length to slide the ends in, and allow space for clamps. Do not confuse the inner diameter with the outer diameter, and check the bend radius and operating conditions.