Perrin OEM Intercooler Coupler Kit

2015+ WRX


SKU: ENG-321XX-PARENTWe price match!


Remove your dull OEM top mount intercooler coupler and replace it with a PERRIN coupler kit and give your engine bay a touch of style.
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Remove your dull OEM top mount intercooler coupler and replace it with a PERRIN coupler kit and give your engine bay a touch of style.


The PERRIN intercooler coupler kit replaces your factory coupler with our high-gloss, vibrant color hose that looks and works better. Our silicone couplers are made from fiber reinforced 3-ply silicone tube. Our high strength reinforced silicone's multi-layer design is capable of withstanding extremely high pressures and temperatures.

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4 customer reviews

Average rating
(based on 4 reviews)
Ease of Installation
Fit / Quality
Overall Satisfaction
  1. Better than oem

    By Jimmy April 7, 2022

    I just installed the coupler and the Perrin logo ended up on the bottom out of sight. It was the only way to fit it correctly. Also the clams are garbage , kept sliding off so I reused the oem clamps. PITA instal but it fixed my leak!

  2. By Jimmy April 7, 2022

  3. Short coupler

    By Kyle February 16, 2017

    This part took roughly 1.5 hours to install as nothing was going right when trying to install this piece. The coupler itself is shorter than the stock piece, so some finesse is needed to get this coupler to line up right. I used my stock coupler to look at when installing this to line it up, which is decently annoying. Overall, I am satisfied with the part. It looks fantastic and the clamps are top notch. The instructions say to use a 12mm socket, but you really need a 11mm to do the job right.

  4. Quality Part

    By Leland August 10, 2015

    It's a quality part that's a bit longer than the OEM part. It only fits properly 1 way but will fit incorrectly at least 4 ways. I used an assembly lube to help the part slide around to help with orientation to the intercooler. I ended up removing the nuts on the clamps to get them to move on the Perrin part because the clamps grip so well on it. Use a deep well (11mm) to tighten the nuts When installing the OEM bracket thread the bolt onto the OEM intercooler part way 1st then apply pressure slowly to orientate the bolt holes on the bracket to the intake manifold because the part is a bit longer and will need finesse to get the holes to line up. Again it is a quality part.

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