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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Borla 400493 - ProXS Muffler Notched Neck PRO-XS 2.50in. DUAL IN/OUT 19 X 9.5 4inDual inlet and dual outlet. Internal X Pipe for increased performance and improved sound. Notched necks for easy clamp on installation. Reversible design for installation flexibility. High quality T 304 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
Dual inlet and dual outlet. Internal X-Pipe for increased performance and improved sound. Notched necks for easy clamp-on installation. Reversible design for installation flexibility. High-quality T-304 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.
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
- Shape: Oval
- Inlet Position: Offset Dual
- Inlet Diameter (IN): 2-1/2 Inch
- Outlet Position: Offset Dual
- Outlet Diameter (IN): 2-1/2 Inch
- Case Diameter (IN): 9-1/2 Inch X 4 Inch
- Case Length (IN): 19 Inch
- Overall Length (IN): 24 Inch
- Includes Tip: No
- Tip Finish: No Tip
- Estimated Install Time (Hours): 1
- Color/ Finish: Bare
- Material: Stainless Steel
- Wall Type: Single Wall
- Internal Construction: Straight Through Single Core
- Tip Length (IN): No Tip
- Tip Diameter (IN): No Tip
- Tip Material: No Tip
Specifications:
| Description_ASM | ProXS? Muffler 2.5" Dual Inlet/ 2.25" Dual Outlet, 4" x 9.5" Oval, 19" Long Body, 24" Overall Length. Internal X-Pipe. Universal Part. Reversible Design. Notched Necks. |
| Description_DEF | Exhaust Muffler |
| Description_DES | ProXS? Muffler - Notched Neck |
| Description_EXT | ProXS? Muffler 2.5" Dual Inlet/ 2.25" Dual Outlet, 4" x 9.5" Oval, 19" Long Body, 24" Overall Length. Internal X-Pipe. Universal Part. Reversible Design. NOTched Necks. |
| Description_INV | BorlaProXS Muffler |
| Description_MKT | Dual inlet and dual outlet. Internal X-Pipe for increased performance and improved sound. Notched necks for easy clamp-on installation. Reversible design for installation flexibility. High-quality T-304 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? Muffler |
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
4.3 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
Fantastic super soft Mock Turtleneck short sleeve shirt!
Color: Navy Blue, Size: Medium
COOFANDY Mens Mock Turtleneck Shirts Short Sleeve Casual Basic T-Shirts Ribbed Solid Pullover Top is fashionable and comfortable with a softness I wasn’t expecting. The fabric is excellent quality and just the right thickness for this time of the year. The sizing was perfect as the mock turtleneck short sleeve shirt hugs my body perfectly. I love the way it looks on me and I plan on purchasing a few more. Great addition to my golf apparel!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
★★★★★ 5
Don’t Pass On This One! Get Every Color!
Color: Black, Size: X-Large, Color: Black, Size: X-Large
I always brace myself when purchasing clothing off the internet because size recommendations don’t always hold true. I’m glad I flowed my mind and bought an XL instead of the recommended XXL. It fits perfectly. The quality was better than I expected and the neckline was a perfect height and the size was just right (my neck is a 19”). The cost was better than what’s offered in stores. The stretch material adds to the comfort and it’s lightweight; which makes it perfect for those that are hot alot…like me. (I’m 5’10”/ 260lbs / usually a XXL)
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 27, 2026
★★★★★ 3
Too short on length on the 4XL
Color: White, Size: 4X-Large
I give it only 3 star as the 4 xxxxl are too short on length. Too bad as i was ready to order more but returning it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
★★★★★ 5
Very Comfortable
Color: Navy Blue, Size: Large
Great shirt. Very comfortable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
★★★★★ 5
Buy..good item
Size: XX-Large, Color: Black, White, Blue
These I liked. T-shirt material but with the mock turtle neck collar. Light and airy. Going to buy more.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
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