SKU: 15377676411

Borla 400287 - ProXS? Muffler Un-Notched Neck

Sale price$121.05 Regular price$134.50
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Ships within 48 hours · Estimated delivery Sep 28 - Oct 3

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Description

Borla 400287 - ProXS? Muffler Un-Notched NeckProduct Description 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. Exhaust Muffler; Pro XS Series; T 304 Stainless Steel; 9 1 2 Inch Width X 4 Inch Height Case; Dual 2 1 4 Inch Inlet; Dual 2 1 4 Inch Outlet; 19 Inch Body 24 Overall Length Features &

Product Description

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.
Exhaust Muffler; Pro XS Series; T-304 Stainless Steel; 9-1/2 Inch Width X 4 Inch Height Case; Dual 2-1/4 Inch Inlet; Dual 2-1/4 Inch Outlet; 19 Inch Body/24 Overall Length

Features & Benefits

  • BORLA(R) ProXS™ Mufflers Are Designed For Supreme Street Performance
  • All Welded Construction And More For Increased Horsepower And Torque
  • Independent Tests Prove Maximum Flow Capability
  • The Internal Merge "X" Pipe Design In This Muffler Blends Exhaust Gases, Pulses And Sound Waves Increasing Efficiency And Sound Attenuation
  • Built From High-Quality T-304 Stainless Steel, Will Not Rust
  • Limited Million Mile Warranty

Attributes

  • Shape: Oval
  • Inlet Position: Offset Dual
  • Inlet Diameter (IN): 2-1/4 Inch
  • Outlet Position: Offset Dual
  • 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

Installation Instructions

Warranties


Specifications:

Description_ASM ProXS? Muffler 2.25" Dual Inlet/ 2.5" Dual Outlet, 4" x 9.5" Oval, 19" Long Body, 24" Overall Length. Internal X-Pipe. Universal Part. Reversible Design.
Description_DEF Exhaust Muffler
Description_DES ProXS? Muffler - Un-Notched Neck
Description_EXT ProXS? Muffler 2.25" Dual Inlet/ 2.5" Dual Outlet, 4" x 9.5" Oval, 19" Long Body, 24" Overall Length. Internal X-Pipe. Universal Part. Reversible Design.
Description_INV BorlaProXS Muffler
Description_MKT Dual Inlet and dual outlet. Internal X-Pipe for increased performance and improved sound. Reversible design for installation flexibility. 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. Best of all, it's made in the USA and backed by Borla's Million-Mile warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.
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:
  1. 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
SKU: 15377676411

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4.3 ★★★★★
Based on 28 reviews
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Dan Che
Battle Creek, US
★★★★★ 5
Perfect Blend of Comfort and Style
Size: 9, Color: Brown, Size: 9, Color: Brown
I recently purchased size 9 of these shoes, and they exceeded my expectations in every way! Here’s what I love about them: 1. Comfort: The moment I put them on, I noticed how soft and supportive they felt. The cushioning provides all-day comfort, making them perfect for long walks, workdays, or running errands. 2. Fit: The sizing is spot-on! I ordered my usual size, and they fit perfectly with no need to size up or down. There’s enough room for my toes to move without feeling too loose or tight. 3. Style: These shoes look even better in person. The design is sleek and versatile, making them easy to pair with both casual and semi-formal outfits. I’ve received several compliments already! 4. Durability: I put it on the day of purchase. After wearing them daily for a couple of days, they still look brand new. The stitching and material seem high-quality and built to last. 5. Value for Money: For the price, these shoes deliver exceptional value. You’re getting premium comfort and style without breaking the bank. Final Thoughts: If you’re looking for shoes that offer comfort, style, and durability, I highly recommend giving these a try. I’ll definitely be considering another pair in a different color soon! To conclude, I’m very happy for this purchase. Will definitely buy again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 13, 2025
R
Verified Purchase
Roderick
Belleville, US
★★★★★ 5
Great Purchase
Size: 12, Color: Black
These shoes are great. They look great and extremely comfortable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
I
Verified Purchase
Isaiah O
Los Angeles, US
★★★★★ 5
Comfortable, Easy to Clean, and Held Up at Coachella
Size: 12, Color: White, Size: 12, Color: White
I’m really happy with this purchase. The shoes are very comfortable, and the product description is accurate. I followed the sizing recommendation based on my foot type and went one size up—they fit perfectly. I bought these for Coachella, and they definitely held up. I was on my feet all day, and they stayed comfortable the entire time. What impressed me most is how easy they were to keep clean. At the end of each day, I was able to wipe them down and maintain their whiteness without much effort. Once I got home, I gave them a deeper clean, and they honestly looked as good as new. Even the laces cleaned up easily. Now I’ve transitioned them into my regular work shoes, and they still look great. Overall, I’m very satisfied with this purchase and would definitely recommend them.
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Reviewed in the United States on May 4, 2026
H
Verified Purchase
Hawaiian
Charlottesville, US
★★★★★ 4
Great shoes that are well made, lite weight, and comfortable.
Size: 12, Color: Brown
Just received my 2nd pair of shoes from Bruno Marc in a size 12. These are really lite and comfortable. It can be dressed down to be a casual shoe or dressed up with a nice suit. These run true to size so I ordered my usual size 12 and the fit was perfect. Being my 2nd pair of Bruno Marc's, I like the quality of their shoes and each shoe is described appropriately on fit and comfort. Insole of these shoes were awesome and provided soft comfort on the feet along with a slight arch support too. Will definitely consider ordering more Bruno Marc shoes in the future.
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Reviewed in the United States on March 11, 2025
J
Verified Purchase
JCMIV63
Lake Worth, US
★★★★★ 5
Cushioned, comfortable, stylish and a rubber sole!
Size: 10, Color: Brown
These shoes check multiple boxes for me, comfortable, cushioned, rubber sole and stylish. As my feet grow old and worn out, I'm on a constant search for comfortable, cushioned shoes that are suitable for work and dressier occasions. I have tried many expensive shoes that look great but either lack cushioning, arch support and or comfort. One of the nice things is these shoes have a rubber sole, where most cushioned shoes have the foam soles which are great, but they tend to lack grip particularly when its damp/wet. They have average arch support, but the insole is removable and I put my own cushioned arch support. Love these!
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Reviewed in the United States on April 6, 2026

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