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Ships within 48 hours · Estimated delivery Aug 20 - Aug 25
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Description
MagnaFlow CatBack 17-18 Honda Civic L4 1.5LGAS Dual Exit Polished Stainless ExhaustThe MagnaFlow 2017 2020 Honda Civic Competition Series Cat Back Performance Exhaust System 19420 brings an aggressive, attention grabbing edge to the deep resonant exhaust note we're so well known for. This exhaust kit is designed to enhance your 1. 5L 2017 2020 Honda Civic with dyno proven performance made possible thanks to fast flowing mandrel bent 2. 5in. main piping and 3 Straight Through mufflers ending in a Dual Center Rear exit with 4. 5in.
The MagnaFlow 2017-2020 Honda Civic Competition Series Cat-Back Performance Exhaust System 19420 brings an aggressive, attention-grabbing edge to the deep resonant exhaust note we're so well known for. This exhaust kit is designed to enhance your 1.5L 2017-2020 Honda Civic with dyno-proven performance made possible thanks to fast-flowing mandrel bent 2.5in. main piping and 3 Straight-Through mufflers ending in a Dual Center Rear exit with 4.5in. Polished Welded-On Double Wall Angle Cut Folded Edge tips featuring a sporty finish. The exhaust system's cat-back layout replaces your ride's exhaust system from near the catalytic converter on back. Exhaust system 19420 is engineered to make your vehicle's engine produce Aggressive exterior and Moderate interior sound levels, befitting its competition-oriented design. 19420's direct-fit design makes installation a breeze thanks to the use of advanced 3D scanning techniques. This performance exhaust system is made of 100% durable and corrosion-resistant stainless steel and produced using CNC precision robotic manufacturing, all backed by MagnaFlow's limited lifetime warranty. Please check to ensure compliance with local noise regulations.This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2020 | Honda | Civic | Si |
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
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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
4.1 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Easy to Use and No Bad Taste
I really like this whitening powder, it’s easy to use and fits nicely into my routine. It works well as an alternative to regular toothpaste, and the process feels simple and quick.
One of the best things is that there’s no bad taste. It has a mild, clean flavor that makes it comfortable to use daily, even if you’re sensitive to strong or overpowering mint products.
After using it consistently, it seems to be working my teeth look a bit brighter, and it feels gentle enough for sensitive teeth without causing discomfort.
Minor note: Since it’s a powder, it can feel a little different at first compared to traditional toothpaste, but it’s easy to get used to.
Overall, this is a convenient and gentle whitening option that’s easy to stick with. A great choice if you want something effective without harsh taste or sensitivity.
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Reviewed in the United States on April 4, 2026
★★★★★ 4
Whitens but not a pleasant taste.
Yes, it whitens teeth but is abrasive. Not sure how good it is for enamel, and it tastes terrible.
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Reviewed in the United States on February 18, 2026
★★★★★ 5
Great Toothpaste Alternative
I really like this teeth whitening powder. It is easy to use and leaves my mouth feeling clean and fresh. I also appreciate that it is made with nano hydroxyapatite and is designed for sensitive teeth. It has become a great addition to my oral care routine, and I am very happy with this product.
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Effective!
Noticeable difference after 2 uses! No harsh taste either!
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Reviewed in the United States on May 30, 2026
★★★★★ 3
it's not bad
a coffee, tea, and alcohol drinker so i've gone thru a few of these. i knew i wouldn't see immediate results so i just tried to consistently brush my teeth with this. i can't say it made my teeth whiter but i think it brightened my teeth and helps to prevent it from staining? i didn't irritate my teeth or gums which is important, it helped my mouth to feel cleaner or was it bc of the flavors in it that makes it feel like that? also this little container is too expensive!
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Reviewed in the United States on February 14, 2026
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