Perrin [15-21 WRX, 14-18 FXT] Turbo Sump Restrictor

Eliminate burning oil smells and blue exhaust smoke on your WRX with the PERRIN Turbo Sump Restrictor — engineered for turbo back and Stage 2+ setups.

Many WRX owners experience excessive oil vapor entering the turbo intake system during high-performance driving, causing that familiar burning oil odor and blue smoke from the exhaust. The PERRIN Turbo Sump Restrictor is designed to fix these issues by limiting crankcase vapors from entering the turbo, improving overall engine cleanliness and reducing smoke.

Constructed with durable materials and precision fittings, this restrictor installs easily and comes with all necessary hardware for a secure, leak-free setup.

What’s in the Box:

• 1× Sump Pump Restrictor

• 1× 1/4 - 28 x 1/4" Nipple Fitting

• 1× 1/4 - 28 Plug

• 2× Size 2 Clamps

• 2× Size 6 Clamps

• 3× 8" Zip Ties

• Warranty & Instructions

Fitment:

• 2014–2018 Subaru Forester XT

• 2015–2021 Subaru WRX

Warranty:
PERRIN Performance offers a 5-Year Limited Warranty covering defects in materials and workmanship from the date of purchase. *Some exclusions apply.