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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Borla 40359 - ProXS? Muffler Un-Notched NeckProduct Description Developed for truck applications and other applications that require a long body muffler. Reversible design for installation flexibility. High quality T 304 austenitic stainless steel will never rust. Exhaust Muffler; Pro XS Series; 9 1 2 Inch Width x 4 Inch Height Oval T 304 Stainless Steel Case; Single 3 Inch Offset Inlet; Single 3 Inch Center Outlet; 14 Inch Body 19 Overall Length Features & Benefits High Quality T 304
Product Description
Developed for truck applications and other applications that require a long body muffler. Reversible design for installation flexibility. High-quality T-304 austenitic stainless steel will never rust.
Exhaust Muffler; Pro XS Series; 9-1/2 Inch Width x 4 Inch Height Oval T-304 Stainless Steel Case; Single 3 Inch Offset Inlet; Single 3 Inch Center Outlet; 14 Inch Body/ 19 Overall Length
Features & Benefits
- High-Quality T-304 Austenitic Stainless Steel Will Never Rust: 100 Percent 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
- Notched Necks For Easy Clamp-On Installation
- Reversible Design For Installation Flexibility
- Limited Million Mile Warranty
Attributes
- Inlet Diameter (IN): 3 Inch
- Outlet Diameter (IN): 3 Inch
- Material: Stainless Steel
- Shape: Oval
- Inlet Position: Offset Single
- Outlet Position: Center Single
- Universality: Fully Universal
- Estimated Install Time (Hours): 1
- Case Diameter (IN): 9-1/2 Inch X 4 Inch
- Case Length (IN): 14 Inch
- Overall Length (IN): 19 Inch
- Color/ Finish: Silver Bare
- 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
Installation Instructions
Warranties
Specifications:
| Description_ASM | ProXS? Muffler 3" Offset Inlet/ 3" Center Outlet, 4" x 9.5" Oval, 14" Long Body, 19" Overall Length. Universal Part. Reversible Design. |
| Description_DEF | Exhaust Muffler |
| Description_DES | ProXS? Muffler - Un-Notched Neck |
| Description_EXT | ProXS? Muffler 3" Offset Inlet/ 3" Center Outlet, 4" x 9.5" Oval, 14" Long Body, 19" Overall Length. Universal Part. Reversible Design. |
| Description_INV | BorlaProXS 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. |
| Description_SHO | ProXS? |
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
4.8 ★★★★★
Based on 878 reviews
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Product Reviews
★★★★★ 4
Nice
Color: Navy Blue, Size: X-Large
This is a light and airy, woven shirt. Looks awesome and fits well. Pairs well with jeans and sneakers for a casual look or slacks for a business casual look. I recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 8, 2025
★★★★★ 5
Great shirt.
Color: Cream, Size: Medium
Fits excellent.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
★★★★★ 5
Good quality 😍
Color: Ice Green, Size: Large
I really like this shirt! The knit material feels soft, breathable, and perfect for warm weather. The design looks stylish and modern, exactly like the pictures. It fits true to size and sits really nice on the body—comfortable but still fitted enough to look clean. Great for summer outings, brunch, or beach vibes. Definitely worth the purchase
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 19, 2025
★★★★★ 5
Awesome shirt
Color: Light Pink, Size: 3X-Large
I love this shirt awesome I brought three of them the other 2 are arriving today Thankyou coofandy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
★★★★★ 1
Is this a joke?
Color: Cream, Size: Large, Color: Cream, Size: Large
Is this a joke? I just opened a package that was sold as new, but nowhere on the purchase did it say it was refurbished or used. It looks obviously worn, yet it was sold to me as new. This should have been given to me for free. There are permanent stains on it and fresh hair all around the neck area, and I don’t have hair — I’m bald. Please see the pictures and my video. I just opened the pack, and it looked refolded and packaged as if fresh from someone else’s laundry.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
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