99171 Spectre Air Inlet Cadillac Y-Pipe

In stock
This Spectre Y-pipe replaces the factory Y-pipe in 2006 through 2009 Cadillac STS-V models with a 4.4L V8 engine. It is made for use with Spectre air intakes 9917, 9917W, 9917K or 9917B to improve performance.
  • Replaces the factory Y-pipe - must be used with Spectre 9917 series air intake
  • Designed to add more horsepower and torque
  • Made for 2006, 2007, 2008 and 2009 Cadillac STS-V models with a 4.4L V8 engine
  • Manufactured from high quality polished aluminum tubing
Tube StyleY-Tube
Material UsedAluminum
Length25.5 in (648 mm)
Weight6.8 lb (3.1 kg)
Warranty90 Days
Product StyleSpectre Universal Tube
Intake Pipe Color / FinishPolished
Intake Pipe MaterialAluminum
Clamps IncludedNo Clamps Included
Clamp StyleNo Clamps Required
Clamp MaterialNo Clamps Required
Product Box Height9.1 in (231 mm)
Product Box Length26.1 in (663 mm)
Product Box Width20 in (508 mm)
Couplers IncludedNone
Diameters3 In. O.D.
Mounting Hardware IncludedNo
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Spectre Performance Products


Products designed and tested to perform and last.

Air Intakes

Air Intake Systems

Spectre air intakes are manufactured from high quality polished or powder coated aluminum tubing and come complete with a high flow air filter engineered to increase airflow and performance.

Air Filters

Replacement Air Filters

Spectre air filter products are designed to increase power and torque for your engine.

Cabin Air Filters


Explore your vehicle’s individuality with precisely designed accessories from Spectre—engineered for functionality and a custom, elegant appearance.


Intake Components

Spectre offers air intake components for DIY car enthusiasts so they can design and build a cold air intake for their modified car or truck.

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Why Spectre?

From humble beginnings in a two car garage, to setting world records and becoming the first wheel driven, gasoline powered car to run over 400 mph, it's been one heck of a ride.

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