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98291 Spectre Plenum Kit

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Spectre's Down the Middle (DTM) Air Intake Plenums are fabricated from high quality polished aluminum sheet metal. This ultra-low profile plenum fits carburetors and TBI throttle bodies with a 5-1/8 inch inlet and requires a minimum of 2-1/4 inches of clearance between the carburetor and the hood. Spectre's DTM air intake plenums feature a 4 inch single inlet that is designed to match up to Spectre 4 inch tubing, filters, and accessories allowing you to design your very own custom cold air intake system.
  • Fabricated from high quality polished aluminum
  • Fits all carburetors and all TBI throttle bodies with a 5-1/8 inch inlet
  • 2.25 inch clearance between carb and hood
  • Features a 4 inch single inlet and is designed to match up to Spectre 4 inch tubing, filters, and accessories
Warranty90 Days
Product StyleSpectre Plenum Kit
Length18.5 in (470 mm)
Outside Diameter4 in (102 mm)
Package Contents1 Plenum
Package Quantity1
Weight4.8 lb (2.2 kg)
Product Box Height8.75 in (222 mm)
Product Box Length20.25 in (514 mm)
Product Box Width8.38 in (213 mm)
Material UsedAluminum
Mounting Hardware IncludedNo
No cross references found for this part
DIY Level

Advanced Moderate Easy

Tools Needed


Installation Time

20 Minutes


Installation PDF

Spectre Drawings

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