Grimmspeed Black Post MAF Hose Kit Subaru WRX 2002-2007 / STI 2004-200 – Import Image Racing
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Grimmspeed Black Post MAF Hose Kit Subaru WRX 2002-2007 / STI 2004-2007 | 125009
Grimmspeed Black Post MAF Hose Kit Subaru WRX 2002-2007 / STI 2004-2007 | 125009
Grimmspeed Black Post MAF Hose Kit Subaru WRX 2002-2007 / STI 2004-2007 | 125009

Grimmspeed Black Post MAF Hose Kit Subaru WRX 2002-2007 / STI 2004-2007 | 125009

Rated 5.0 out of 5
Based on 2 reviews
SKU: grm125009
Availability: 16 In Stock
Product Type: Turbo Inlets / Air Inlets
$84.00
$84.00
$84.00
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Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. GrimmSpeed now has you covered with our all new Post MAF Hose Kit which not only looks better, but fixes the performance flaws of its OE counterpart.

Our Post MAF Hose construction improves flow with 2 main features:

The first is the smooth inner surface, removing the pockets from the OE structural corrugated folds. The GrimmSpeed Hose is made with reinforced silicone, which is flexible, but has strong structural properties that allow for a design that maximizes flow, is very easy to install and won't collapse under vacuum.

The second feature is a tapered center portion, making sure the inner diameter matches the OEM air box and turbo inlet. A mis-matched diameter creates steps, which will interrupt the air flow trajectories and create small vortexes in the post-MAF hose. The GrimmSpeed Hose was designed specifically to prevent these issues.

QUICK SPECS:

  • 4-Ply Reinforced Silicone - Extremely durable, available in red or black
  • OEM Fitment - Easy install, no modification or tuning required
  • Seamless Flow - CAD optimized design
  • High Quality Breeze Hose Clamps - Included in every kit
  • GrimmSpeed Logo to Represent your Favorite Brand!



average rating 5.0 out of 5
Based on 2 reviews
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Review posted
Reviewed by Harold A.
Verified Buyer
Rated 5 out of 5

Better version of a simple hose!

Most of the popular brand post maf hoses fall around the same price point. The Grimmspeed stood out because they had the forethought to design a step into each end of the hose to eliminate most of the turbulence caused by the exiting air on the maf tube and entrance of the turbo inlet. Better flow makes more power here. Hard to argue with that! Good product and it’s well made. Already picked up a few other Grimmspeed items!

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Reviewed by Tim K.
Verified Buyer
Rated 5 out of 5

Locally owned and operated

IIR is always the first place I look when it comes to part for my STI. Not only are they local but family owned. Their customer service is top notch and their prices impossible to beat.

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