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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
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Description
K&N Performance Intake Kit for Opel / Vauxhall / Alfa RomeoThe K&N 57S 4902 Performance Airbox replaces the restrictive factory air filter and air box. K&N performance air boxes are designed to dramatically reduce air flow restriction as well as smooth and straighten air flow. This allows your engine to inhale a larger amount of air than the factory air filter assembly. More air means more usable power and acceleration throughout the engine's RPM range. The 57S 4902 Performance Airbox comes with a conical K&N
The K&N 57S-4902 Performance Airbox replaces the restrictive factory air filter and air box. K&N performance air boxes are designed to dramatically reduce air flow restriction as well as smooth and straighten air flow. This allows your engine to inhale a larger amount of air than the factory air filter assembly. More air means more usable power and acceleration throughout the engine's RPM range. The 57S-4902 Performance Airbox comes with a conical K&N high-flow air filter and a fully enclosed injection molded air box with an intake pipe that connects up to the factory air intake hose. The air box has a removable lid for easy access to the filter when cleaning is required. The air filter can be used for up to 100,000 miles before servicing is needed depending on driving conditions. This performance air box is relatively easy to install into the previous air box space with commonly available tools. K&N builds these air box systems to last for the life of your vehicle and they are backed by K&N's Million Mile Limited Warranty. Some K&N 57S Series Performance Airboxes are compliant with the latest TUV emissions and sound regulations. Check the K&N catalog or website for vehicle applications and specific TUV status for each vehicle and air intake.Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.5 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Good book.
Format: Paperback
Good detail.
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Reviewed in the United States on June 11, 2022
★★★★★ 4
Informative
Format: Paperback
Comprehensive and small enough for your pocket.
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Reviewed in the United States on October 30, 2024
★★★★★ 5
Powerful Superfood Supplement – Start Slow to Avoid GI Upset
These 500mg organic chlorella tablets are a great way to add a nutrient-dense superfood to your daily routine. They’re packed with vitamins, minerals, chlorophyll, and antioxidants, and I definitely noticed a gentle boost in energy and overall wellness after consistent use. The tablets are easy to swallow and made with high-quality, clean ingredients.
That said, it’s important to ease into the dosage—especially if you’re new to chlorella. I experienced some mild gastrointestinal side effects (like bloating and gas) in the beginning, but once I gradually increased my intake over a few days, those symptoms went away. Starting with a lower dose and giving your body time to adjust really helps. Overall, this is a great natural supplement, just be mindful to start slow and stay hydrated!
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Reviewed in the United States on June 8, 2025
★★★★★ 5
Chlorella excelente
Excelente producto
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Take before PM Sleep - Cleans-Out Cell's TOXIC Heavy-Metal contents, promotes Sleep.
GREEN Chlorella (along with BLUE-GREEN Spirulina) can replace ALL your other Supplements at a Fraction of the Cost. Chlorella is recommended just before going to PM Sleep, as it's Main Function is to CLEAN OUT all the Heavy Metal TOXIN's in your body's 38 Trilllion Cells, overnight, plus Promotes Deep REM Sleep, during which all this CLEAN-OUT happens, particularly in your BRAIN. When you wake up, you will feel Refreshed, like you just had a Good Night's Sleep, but without the Bad Side Effects of Sleeping Pills. Combine this by taking BLUE-GREEN Spirulina, soon as you Wake Up in the AM, for Breakfast, then repeat for Lunch, and Dinner too, which is like ROOM SERVICE for FOOD. All you have to do is Eat 6 Tables of It per meal. Did you know BLUE-GREEN Spirulina has 1000x more Vitamins, Minerals, and other Plant Based Nutrients, that the Human Body NEEDS, especially the Magnesium (Mg+) Ions from the Plant Chlorophyll, to Properly Function, and will give you a CALM, GENTLE ENERGY, like a Cup of Japanese GREEN TEA, for the Rest of your Day. You become Mentally Alert, but Body Relaxed, which is why Buddhist Monks use it to Meditate. RINSE then REPEAT, DAILY. Welcome to your New Life. 5-STARS, and suggest you try it too.
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Reviewed in the United States on September 25, 2024