Silicone Couplers & Hoses

Our silicone couplers and hoses provide a reliable upgrade for turbocharger, intercooler, intake, and coolant plumbing. Multi-layer silicone construction withstands high temperatures and resists swelling from oil and fuel, while embedded fabric reinforcement handles sustained boost pressure without ballooning.

  • Resists heat, oil, and pressure for long service life
  • Flexible yet durable – absorbs vibration and simplifies alignment
  • Available in multiple diameters, lengths, and bend angles to match your plumbing
  • Includes straight couplers, 90° elbows, reducers, and hump hoses

Choose a coupler or hose that matches your piping diameter and angle. For custom fabrication or replacing brittle factory rubber hoses, these silicone components deliver consistent performance.

$
-
$
0 selected
0 selected
Apply (0)
Black Mishimoto 3-inch DuraCore straight silicone intercooler coupler boot with five-layer reinforced construction.
$48.95 $54.00
-9%
In stock
Mishimoto 3-inch DuraCore straight hump silicone intercooler coupler featuring 5-layer reinforced construction.
$59.95 $66.00
-9%
Low in stock
Black Mishimoto 3 inch 90-degree DuraCore silicone intercooler coupler with 5-layer reinforced wall
$68.95 $76.00
-9%
In stock
Mishimoto DuraCore 3-inch 45-degree reinforced silicone intercooler coupler boot
$68.95 $76.00
-9%
Low in stock
Black Mishimoto silicone transition coupler boot, 3-inch to 3.5-inch diameter with DuraCore logo.
$59.95 $66.00
-9%
In stock
Black 90-degree silicone reducer coupler transitioning from 3.5 inch to 4 inch diameter.
$44.95 $49.00
-8%
Low in stock
Black 90-degree silicone reducer coupler transitioning from 3-inch to 3.5-inch diameter
$44.95 $49.00
-8%
In stock
Black Mishimoto 90-degree 4-ply silicone reducer coupler transitioning from 2.5-inch to 3-inch diameter.
$41.95 $46.00
-9%
Out of stock
Black Mishimoto 90-degree 4-ply silicone reducer coupler transitioning from 2-inch to 2.5-inch diameter.
$32.95 $36.00
-8%
In stock
Black Mishimoto 45-degree silicone reducer coupler transitioning from 3-inch to 3.25-inch diameter
$39.95 $44.00
-9%
In stock
Mishimoto 4-inch straight black silicone coupler with reinforced fiber walls for high-temperature automotive applications.
$11.95 $13.00
-8%
In stock
Black Mishimoto 3-inch silicone hump hose coupler with multi-layer reinforcement fibers.
$24.95 $27.00
-8%
In stock
Black Mishimoto 3.5 inch straight silicone coupler with high-heat reinforced embedded fibers.
$11.95 $13.00
-8%
In stock
Black Mishimoto silicone transition coupler with 3.5-inch and 4-inch openings and multi-layer reinforcement.
$10.95 $12.00
-9%
In stock
Red 3.0 inch Mishimoto silicone straight coupler with heat-resistant fiber reinforcement for cooling or intake systems.
$11.95 $13.00
-8%
In stock
Blue 3-inch silicone straight coupler with Mishimoto logo and multi-layer reinforced construction.
$11.95 $13.00
-8%
In stock
Mishimoto 3.0 inch black straight silicone coupler with multi-layer fiber reinforcement
$11.95 $13.00
-8%
In stock
Mishimoto 3.0-inch black 4-ply silicone hose coupler with an integrated 1/8-inch NPT aluminum bung.
$39.95 $44.00
-9%
In stock
Mishimoto black 3-inch 90-degree silicone coupler featuring reinforced heat-resistant embedded fibers.
$32.95 $36.00
-8%
In stock
Black Mishimoto 3-inch 45-degree silicone coupler with reinforced multi-layer construction
$49.95 $55.00
-9%
In stock
Black Mishimoto 3-inch to 3.5-inch silicone transition coupler for automotive intake and cooling systems.
$11.95 $13.00
-8%
In stock
Black Mishimoto 2.0-inch straight silicone coupler with internal fiber reinforcement
$11.95 $13.00
-8%
In stock
Mishimoto black 2.75-inch straight reinforced silicone coupler showing multi-layer construction.
$11.95 $13.00
-8%
In stock
Black Mishimoto silicone transition coupler with a 2.75-inch to 3-inch diameter reduction
$11.95 $13.00
-8%
In stock
Blue Mishimoto 2.5 inch diameter silicone straight coupler showing multi-layer reinforced construction.
$11.95 $13.00
-8%
In stock
Black Mishimoto 2.5-inch silicone straight coupler with reinforced multi-layer construction
$11.95 $13.00
-8%
In stock
Mishimoto 2.5 inch black 4-ply silicone coupler with an integrated 1/8 inch NPT aluminum sensor bung
$39.95 $44.00
-9%
In stock
Mishimoto 2.5-inch black 90-degree silicone elbow coupler with fiber reinforcement
$27.95 $31.00
-10%
In stock
Black 2.5-inch 45-degree silicone elbow coupler for automotive intake and cooling systems
$47.95 $53.00
-10%
In stock
Red Mishimoto silicone transition coupler, 2.5 inch to 3.0 inch reducer with reinforced walls.
$16.95 $19.00
-11%
In stock

Can’t Find the Part You Need?

Our catalog represents only a portion of the automotive products available through our supplier network. If you cannot find a specific part, brand, or application on our website, submit a request below, and our team will help source it for you.

Please include as much information as possible, such as your vehicle's year, make, model, trim, engine, desired brand, or part number, to help us quickly identify the correct product.

Email is invalid

Image alt