Fitment Information: This Perrin Turbo Sump Restrictor fits 2018 - 2025 Subaru WRX, 2017 - 2018 Subaru Forester XT, 2019 - 2024 Subaru Ascent, 2020 - 2024 Subaru Legacy XT, and 2020 - 2024 Subaru Outback XT. Many Subaru owners face an oil - burning problem or see blue smoke from the exhaust after installing aftermarket J - Pipes or turboback exhaust systems. The change in exhaust pressure caused by these parts can let engine oil leak out of the turbo seals into the exhaust, creating the unpleasant smell and blue smoke. The PERRIN Turbo Sump Restrictor boosts the turbo sump pump's efficiency in sucking oil out of the turbo sump. It creates a slight vacuum in the turbo sump, balancing exhaust pressure and vacuum on the turbo seals. This significantly cuts down oil leakage around the turbo seals without altering oil flow to the turbo or causing wear. It's a plug - and - play device, easy to install on most 2018 and newer Subarus without cutting hoses. Check the 'Installation Guide' at the bottom for full instructions. Fix the oil - burning smell and blue exhaust smoke issues with this restrictor! Key Features: Restrictor body is black anodized CNC aluminum. Barbed fittings are nickel - plated zinc. It balances exhaust pressure and vacuum on turbo seals, reduces leakage, and doesn't require tuning. There's a 5 - year manufacturer warranty. What's in the Box: (1) PERRIN Sump Pump Restrictor, (1) Size 6 Clamp, (1) 1/4 - 28 Plug, and Warranty & Instructions. Note: This product won't fix blue - smoke issues due to blown engines.
Using the Perrin Turbo Sump Restrictor is a breeze. First, find the turbo sump pump on your Subaru. It fits 2018 - 2025 WRX, 2017 - 2018 Forester XT, 2019 - 2024 Ascent, 2020 - 2024 Legacy XT, and 2020 - 2024 Outback XT. Since it's a plug - and - play device, you don't need to cut any hoses. Just connect it to the appropriate place according to the installation guide provided in the box. There's no need for any tuning, so you can start using it right away after installation. As for maintenance, it doesn't require much. Periodically check the connections to make sure they're tight. If you notice any signs of oil leakage around the restrictor or the turbo seals again, double - check the installation. Remember, this product won't fix blue - smoke issues if your engine is blown. So, if you have other major engine problems, get them fixed first.
