GrimmSpeed 3x Thick 8mm Phenolic Spacer WRX / STI / Legacy GT / Forester XT

Rated 5.0 out of 5
Based on 1 review
grm019001
34 In stock
Gaskets and Hardware

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Part #: 019001

In case you weren't aware, the cooler your intake air is the more HP your car will achieve. One way to reduce intake air temperatures is to raise the intake manifold off the engine with GrimmSpeed's Phenolic Intake-Manifold-to-Engine Thermal Spacer. Phenolic spacers have been used for years by many other specialized automotive companies, but GrimmSpeed is one of the first to offer this technology to the Subaru world.

Benefits/Notes:

  • Phenolic spacers greatly reduces the transfer of heat from engine to intake manifold, which reduces heat soak.
  • One of a kind true Phenolic material, not cutting board material like others.
  • Cooler intake temperature = denser air = more power.
  • Every 5° reduction in temperature increases power by 1%.
  • Direct OEM replacement.
  • When running the OEM gasket only, your intake manifold gets very hot to the touch, enough to burn your hand. When the OEM gasket is replaced with our Phenolic Spacer, your hand can be placed on the intake manifold without any issues.
  • Made in the USA
  • Available in both 3mm and 8mm thicknesses.
  • GrimmSpeed suggests using one 14035AA421 on each side of their spacer.

RETURNS POLICY

Any returns for an exchange or refund will be allowed within 30 days from the receipt of your order and must be authorized prior to shipping with an RMA Number (Return Merchandise Authorization). To receive your return instructions and RMA# please use our online form under Returns and Exchanges! Once you receive your return instructions please ship out the item at your earliest convenience and provide the tracking number to your customer service rep. The customer will be responsible for all shipping fees. Before shipping your product back please make sure you package it up exactly how you received it and in all of its original packaging. All items must be in brand new and resalable condition. Once the item is received it will be inspected and a credit will be issued accordingly. All returns are subject to a 15% restocking fee. Any returns received without an RMA# will be charged a restocking fee and any shipping fees associated with the return. An item that does not ship directly from IIR's warehouse is considered a "special order" item and no returns will be authorized.

average rating 5.0 out of 5
Based on 1 review
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100% of reviewers would recommend this product to a friend
1 Review
Reviewed by Derek, from United States
I recommend this product
Rated 5 out of 5
Review posted

1st review

I love these spacers only down side to running a 2.5i na manifold on an sti is corn to find out you need to double the spacers to make it clear avcs so had to order two sets.

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GrimmSpeed 3x Thick 8mm Phenolic Spacer WRX / STI / Legacy GT / Forester XT
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