Motordyne 1/2" Iso Thermal plenum spacer - 350Z

  • Sale
  • Regular price $ 310.00

  • Part Number: 12I

1/2" Thermal Plenum Spacer by Motordyne - 350Z

This stealth modification adds 12HP-14HP and is the simplest to install. This plenum spacer can be used for maximum performance enhancement. It also adds a substantially deeper growl under the hood. The 1/2" plenum spacer is fully compatible with the engine cover. With the engine cover in place the engine bay looks completely stock. All Motordyne melt proof plenum spacers come with pre-attached, high quality gaskets.


  • Stealth Installation
  • Adds 12-14 HP
  • Easy Installation
  • Fits under factory Engine cover


  • May not fit with Aftermarket strut bar

Vehicle Application

  • 2003-2006 Nissan 350Z 
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