GSC P-D BMW E92 335i Inline 6 Manganese Bronze Exhaust Valve Guide - Set of 12

GSC P-D BMW E92 335i Inline 6 Manganese Bronze Exhaust Valve Guide - Set of 12

Marsoni

M251S

$74.47

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

GSC P-D BMW E92 335i Inline 6 Manganese Bronze Exhaust Valve Guide - Set of 12SKU: 3089 12 GSC Power Division BMW E92 335i N54 3. 0L Twin Turbo Manganese Bronze Exhaust Valve Guide Stopper Style Set of 12 These GSC Power Division manganese bronze exhaust valve guides deliver reliable sealing and stability for BMW N54 inline 6 engines found in the E92 335i. Engineered in stopper style they lock into place preventing movement during extreme boost and RPM. Ideal for performance builds this set of 12 covers every exhaust valve

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The first thing I noticed was the quality of the adhesive. It’s incredibly tacky, which is exactly what you want—once it’s pressed down, it isn't going anywhere.It was easy to trim with a standard pair of scissors. Definitely makes a huge difference in rattles and quality of music inside the cabin. highly recommend and great quality for the money. The back comes off with ease and super easy to cut and place.

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Reviewed in the United States on May 15, 2026

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Aleah

Houston, US

★★★★★ 4

It’s not bad read my review

Style: 30 pcs

It wasn’t too bad as a finisher on top of actual sound deadening. However, be sure you apply it where you want it as it does not come off. If you try to pull it off, it leaves a nasty residue and some of the foam sticks to said residue

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Reviewed in the United States on June 8, 2026

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Jayme

Houston, US

★★★★★ 5

Not top grade

Style: 30 pcs

I didn't have a chance to install although I've would been very excited.

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Reviewed in the United States on June 7, 2026

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