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Description
Borla 40664 - ProXS(tm) Muffler Un-Notched NeckReversible design for installation flexibility. High quality T 304 austenitic stainless steel will never rust. 100% welded construction for strength. Free Flow design for improved performance. High temperature continuous filament fiber (CFF) acoustic material for sound control. Natural mill finish can be brushed or polished prior to installation.; Best of all, it's made in the USA and backed by BORLA(r)'s Million Mile warranty. Just what you'd expect
Reversible design for installation flexibility. High-quality T-304 austenitic stainless steel will never rust. 100% welded construction for strength. Free Flow design for improved performance. High-temperature continuous-filament fiber (CFF) acoustic material for sound control. Natural mill finish can be brushed or polished prior to installation.; Best of all, it's made in the USA and backed by BORLA(r)'s Million-Mile warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.
Exhaust Muffler; Pro XS Series; T-304 Stainless Steel; 9-1/2 Inch Width X 4 Inch Height Case; Single 2-1/4 Inch Center Inlet; Single 2-1/4 Inch Offset Outlet; 19 Inch Body/24 Overall Length
Features & Benefits
- BORLA(R) ProXS™ Mufflers Are Designed For Supreme Street Performance
- Offering Aircraft Quality High Quality T-304 Stainless Steel, All Welded Construction And More For Increased Horsepower And Torque
- Independent Tests Prove Maximum Flow Capability
- All BORLA® Mufflers Are Manufactured Using Ultra Durable, Continuous Strand Sound Absorbing Composite Filament
- Built From High-Quality T-304 Stainless Steel, Will Not Rust
- Flared Collectors On Both Ends Increase The Internal Diameter Of The Muffler Allowing For Optimal Flow
- Limited Million Mile Warranty
Attributes
- Shape: Oval
- Inlet Position: Center Single
- Inlet Diameter (IN): 2-1/4 Inch
- Outlet Position: Offset Single
- Outlet Diameter (IN): 2-1/4 Inch
- Universality: Fully Universal
- Estimated Install Time (Hours): 1
- Case Diameter (IN): 9-1/2 Inch X 4 Inch
- Case Length (IN): 19 Inch
- Overall Length (IN): 24 Inch
- Color/ Finish: Silver Bare
- Material: Stainless Steel
- Wall Type: Single Wall
- Includes Tip: Without Tip
- Tip Length (IN): Without Tip
- Tip Diameter (IN): Without Tip
- Tip Finish: Without Tip
- Tip Material: Without Tip
Specifications:
| Description_ASM | ProXS(tm) Muffler 2.25" Offset Inlet/ 2.25" Center Outlet, 4" x 9.5" Oval, 14" Long Body, 19" Overall Length. Universal Part. Reversible Design. |
| Description_DEF | Exhaust Muffler |
| Description_DES | ProXS(tm) Muffler - Un-Notched Neck |
| Description_EXT | ProXS(tm) Muffler 2.25" Offset Inlet/ 2.25" Center Outlet, 4" x 9.5" Oval, 14" Long Body, 19" Overall Length. Universal Part. Reversible Design. |
| Description_FAB | Reversible design |
| Description_FAB | Universal muffler |
| Description_FAB | Alternate muffler with Notched necks is 400483. Use 1" wide band clamps 18322. |
| Description_FAB | Un-Notched necks are designed for weld in installation. If clamping, use 3" wide band clamps 18003. |
| Description_INV | BORLA(r) ProXS Muffler |
| Description_MKT | Reversible design for installation flexibility. High-quality T-304 austenitic stainless steel will never rust. 100% welded construction for strength. Free Flow design for improved performance. High-temperature continuous-filament fiber (CFF) acoustic material for sound control. Natural mill finish can be brushed or polished prior to installation.; Best of all, it's made in the USA and backed by BORLA(r)'s Million-Mile warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand. |
| Description_SHO | ProXS(tm) |
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 24 reviews
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Product Reviews
★★★★★ 5
The Simple Classic: Effective Filtration and Great Everyday Value
Style: Standard, Size: 2 Count
I've been using the Brita Everyday Pitcher for years, and it continues to be the best, most reliable solution for everyday filtered water. While there are more expensive pitchers out there, this model hits the sweet spot of affordability, capacity, and performance.
Taste and Filtration
The difference in taste is noticeable immediately. It does a fantastic job of removing the chlorine taste and odor from my tap water, making it much cleaner and more enjoyable to drink. It's excellent for making coffee, tea, and just hydrating throughout the day. I use the standard filters, which are easy to find and change out every couple of months.
Design and Capacity
The 10-cup capacity is perfect for a small family or an individual who drinks a lot of water. The rectangular design fits perfectly in the refrigerator door without taking up excessive space. It's a simple, no-frills design, which is exactly what I prefer—no electronic filter indicators, just reliable, clean water.
Value
For the price of the pitcher and the replacement filters, the Brita Standard is an unbeatable value. It’s a durable, no-nonsense product that delivers exactly what it promises: better-tasting water every day. If you're looking for an affordable, effective workhorse of a water filter pitcher, this is it.
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Reviewed in the United States on November 18, 2025
★★★★★ 4
Good Long Lasting Filters
Style: Standard, Size: 4 Count
I've been using Brita pitchers for years and these replacement filters continue to be one of the easiest and most affordable ways to improve the taste of regular tap water without installing a full filtration system. The biggest improvement is definitely the taste. After installing a fresh filter, the water tastes noticeably cleaner and smoother, getting rid of that strong chlorine smell or metallic aftertaste. These standard filters reduce chlorine taste and odor along with impurities like copper, cadmium, and mercury using activated carbon and ion-exchange resin technology. They're also BPA-free and designed to last up to 40 gallons or about two months per filter.
The installation is simple and quick compared to older filter designs. I liked that these no longer require lengthy presoaking and the pull-top cap makes removal easier when it's time to swap filters. The 4 pack is also convenient because it lasts several months for an average household, making it more economical than constantly buying bottled water. My only complaint is that sometimes the water will run through very quickly and other times not so much which makes it harder to discern whether the filter is working effectively. Aside from tha, it seems like a simple and affordable everyday water filter.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Good price
Style: Standard, Size: 6
Great product at a good price!
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Water Comes Out Clean and Tastes Good!
Style: Standard, Size: 2 Count
I had a Brita filter while I was in college, and so naturally, I needed to buy the water filter replacements on occasion. These are the original ones from Brita, and they work as well as you would expect! They purify the water you pour into the pitcher, and it tastes good (at least in my opinion)! They feel pretty well made, and I haven't had any issues where the water has come out tasting gross or it getting clogged. It works well, and fits nicely into my pitcher. I've heard others face issues with third-party water filters, so it feels nice to buy the original ones and for them to work without issue.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Great quality product
Style: Standard, Size: 4 Count
Perfect fit for brita pitcherseasy to install always have on hand will definitely buy again
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Reviewed in the United States on May 12, 2026