SKU: 78985651800

Mishimoto Baffled Oil Catch Can PCV Side - Audi B9 S4 / S5 2018+

Sale price$198.00 Regular price$220.00
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  • CAN

Ships within 48 hours · Estimated delivery Jul 17 - Jul 22

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Description

Mishimoto Baffled Oil Catch Can PCV Side - Audi B9 S4 / S5 2018+PRODUCT FEATURES Direct fit for the 2018+ Audi B9 S4 S5 Single can mount in line with the PCV system to separate oil from air using a 50 micron bronze filter Helps reduce carbon buildup on intake valves Patent pending billet 6061 aluminum can sealed with Viton O rings Installs in under 30 minutes Mishimoto petcock drain kit included for easy servicing Pre molded hoses include Mishimoto Performance One Way Check Valves to prevent pressurizing catch can

PRODUCT FEATURES

  • Direct fit for the 2018+ Audi B9 S4/S5
  • Single can mount in line with the PCV system to separate oil from air using a 50-micron bronze filter
  • Helps reduce carbon buildup on intake valves
  • Patent-pending billet 6061 aluminum can sealed with Viton™ O-rings
  • Installs in under 30 minutes
  • Mishimoto petcock drain kit included for easy servicing
  • Pre-molded hoses include Mishimoto Performance One-Way Check Valves to prevent pressurizing catch can
  • Factory quick-disconnects installed on hoses for simple installation
  • Defends intake system and essential components from oil blow-by
  • CNC-machined aluminum barbed fittings ensure a sturdy connection between lines and can
  • Catch can have a 3 oz. capacity for longer servicing intervals
  • Internal air diverter increases air turbulence to improve oil separation
  • Helps maintain proper octane levels to reduce potential detonation
  • Filter and can are fully serviceable
  • Mishimoto Lifetime Warranty

DESCRIPTION

Give the 3.0T TFSI powering your 2018+ Audi S4 or S5 the extra layer of defense that it needs with the Mishimoto Baffled Oil Catch Can. Volkswagen and Audi were on the front lines of the direct injection revolution, which means they were also one of the first to implement a means to protect against blow-by gases. While the factory AOS system does filter out some oil and fuel vapors, the harmful contaminants still make their way to the intake valves.

The Mishimoto Baffled Oil Catch Can for your 2018+ Audi S4/S5 installs in line with the PCV system right after the factory separator for immediate protection of the intake components. Our catch can feature a patent-pending 2-Port Compact Baffled Oil Catch Can with a 50-micron bronze filter and an internal baffle to better separate oil from the crankcase vapors. Our kit also includes a set of direct-fit hoses for a simple installation, including two Mishimoto One-Way Performance Check Valves to prevent your catch can from becoming pressurized. In order to simplify servicing, our kit includes a petcock drain kit so draining captured blow-by is a cinch. The Mishimoto 2018+ Audi B9 S4/S5 Baffled Oil Catch Can also include the Mishimoto Lifetime Warranty for a worry-free installation.

Our catch cans are different from most air-oil-separator (AOS) systems on a few levels. First, our catch cans are not heated. This means that all of the blow-by is able to condense in the can, including low-octane oil vapors and contaminated fuel vapors. Most AOS systems also drain the blow-by back into the oil pan, while our catch cans trap the blow-by and keep it out of the engine permanently. If you’ve seen what we’ve seen in the bottom of our catch cans, you won’t want that draining back into your oil either.

PURCHASE INCLUDES

(1) Compact Baffled Oil Catch Can
(1) Application-Specific Mounting Bracket
(2) Mishimoto Performance One-Way Check Valves
(2) Direct-Fit Hoses with Pre-Installed Factory Quick-Disconnects
(2) 3/4" Aluminum Barbed Fittings
(1) Petcock Drain Kit
(2) Worm Gear Clamps
Mounting Hardware
Mishimoto Lifetime Warranty

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 78985651800

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Reviewed in the United States on April 19, 2026
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Bobby D
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★★★★★ 5
Perfect for my neefs
Color: Black, Size: 8x10, Color: Black, Size: 8x10
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Reviewed in the United States on May 29, 2026
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Rob W
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★★★★★ 5
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We got this Owala bottle for our son to use as his everyday school water bottle, and it has been excellent. The 24oz size holds plenty of water for the school day without being overly bulky or heavy to carry around. The insulation works extremely well. Drinks stay cold all day long, even when the bottle sits in a backpack for hours. That’s probably the feature we’ve been most impressed with so far. It’s also been great for car trips since it keeps water cold for extended periods without needing constant refills. The design is really well thought out too. The built-in straw makes it easy to drink from quickly during class or while traveling, and the lid feels secure and leak-resistant when closed. It also has a clean, modern look that feels a little more premium than many standard water bottles. Build quality feels solid overall, and it seems designed to hold up well to everyday use from school, sports, and travel. Overall, this has been a fantastic everyday water bottle and definitely lives up to the hype. Keeps drinks cold, holds a good amount of water, and works equally well for school or road trips.
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