BFI Clean Catch V2 - Essential Kit - Gen1/2 Transverse TSI

BFI Clean Catch V2 - Essential Kit - Gen1/2 Transverse TSI

Marsoni

M251S

$225.00

Get it in 3 business days with 1 day shipping. Friday, May 29

BFI Clean Catch V2 - Essential Kit - Gen1/2 Transverse TSIOne of the biggest areas of concern for the longevity of your TSI direct injection engine is the long term effects of oil vapor deposition in the intake and valve train. Even though all TSI engines come equipped with a cyclonic oil separator from the factory time has shown that these separators are not enough and that the biggest contributor to these vaporized oil deposits on the intake valves and plenum are the gasses emanating from the PCV system.

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We offer a 30-day return/exchange service after receiving.
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I haven't bought new underwear in forever. I used to wear thongs, but now find them incredibly uncomfortable. The last few times I've tried to buy new underwear, the sizing was either way off (I'm a medium, but gave up after having to return them for a large and then extra large) or the quality was horrible (two brands stretch waaaay out and they can fall down while wearing them (I have larger ass-ets, so they shouldn't start to slide down during use). I tried these after buying some bamboo pyjamas and I love them! They are incredibly soft, comfortable, and stretchy. I can use them all day, and they work well, whether I'm lounging on the couch or wearing them under my spandex shorts at the gym, they don't ride up or slide down. They are both comfortable and look sexy, while providing support in all the right places. I haven't had them too long, so I can't speak on the durability, but they appear to be of good quality and I plan to order more, this time without the band.

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Reviewed in the United States on November 13, 2025

Verified Purchase

Mariel

Alexandria, US

★★★★★ 5

Well made, light fabric. Waist doesn't roll.

These bamboo underwear really do keep you cool. They fit true to size, and wear easily. the wide elastic waist band doesn't roll on me. They are comfortable to wear, washed and dried easily. The material has some stretch to it, but not a lot. Well made, no stray strings. Perfect fit for me. Just what I was looking for.

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Reviewed in the United States on May 17, 2026

Verified Purchase

Finngirl

Whiting, US

★★★★★ 5

Good quality, smooth feel

I got these briefs so recently that have washed just one pair so far. First off, these are very comfortable, the material is soft & bordering silky, good quality sewing. Wash well and minimal if any shrinkage. They do come a bit wrinkled from the dryer but hey, these are underwear and will go on smoothly. If it were a t-shirt, I would look sloppy. I feel the sizing is accurate. No rolling and these don't announce themselves under clothing. Planning on getting more of these boxers and replacing my old panties.

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Reviewed in the United States on January 31, 2026

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Skurtzo

Omaha, US

★★★★★ 4

A little snug on the thighs

Size: Medium, Color: Multicoloured G (5-pack)

Super comfy, soft and thin. For reference, I'm 5'6", 135, athletic build. I bought medium. I almost returned them because I thought they were a bit too snug on my thighs, and my thighs are not large at all. I was concerned about panty lines under snug clothing. But, because they're thin, I figured they would probably stretch, so I kept them. So far, I've only worn them under a night shirt, but they're super comfortable and they dont ride up at all. Very nice, but if your thighs are a little thick, you probably won't like them.

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Reviewed in the United States on August 29, 2025