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Free shipping on orders over $50. Order by 5pm PST / 8pm EST Mon–Fri or 2pm PST / 5pm EST Sat and it ships same day!Free shipping over $50 · Ships same day by 5pm PST
Tech help: text or call 248-403-8512
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Home  /  Parts & Accessories  /  Silicone Couplers  /  Silicone Coupler 4" to 5" Reducer - Deep 4" Height - For Boost Leak Testers & Turbo Inlets
  • Silicone Coupler 4" to 5" Reducer - Deep 4" Height - For Boost Leak Testers & Turbo Inlets
  • Free 2-3 day shipping over $50, ships same day by 5pm PST, lifetime warranty
  • Silicone Coupler 4" to 5" Reducer - Deep 4" Height - For Boost Leak Testers & Turbo Inlets

    • Silicone Coupler 4" to 5" Reducer - Deep 4" Height - For Boost Leak Testers & Turbo Inlets

    $36.85 $37.99
    Order by 5pm PST / 8pm EST Mon–Fri or 2pm PST / 5pm EST Sat and it ships same day!
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      • Ships today if ordered by 5pm PST
      • Free 2–3 day shipping over $50
      • 30-day returns
      • Lifetime warranty
      • Secure checkout
      Tech help: text or call 248-403-8512 Designed and engineered in the USA
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      4-layer high quality silicone coupler

      Thickness: 5.5mm-6mm

      Dimensions:

      • Upper Diameter: 4.0"
      • Lower Diameter: 5"
      • Overall Height: 4"
      • Color: Black/Orange 

      Don't forget your t-Bolt Clamps!  See Recommended items below

      Lifetime warranty.

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