Borla 400491 ProXS Muffler - Notched Neck
Questions about fitment? Live chat or call 866-235-4715
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- Free shippingMost orders $500+
- 30-day returnsSee policy
- Warranty supportWe work with the maker
Questions about fitment?
Talk to a TRU specialist
We’ll help you verify fitment before you buy.
Veteran-owned · Austin, Texas · Mon–Fri 9:30a–11:00a & 1:00p–5:30p CT
Specifications
| Brand | Borla |
|---|---|
| Part number | 400491 |
| Body Height | 4.000 in. |
| Body Length | 14.000 in. |
| Body Width | 9.500 in. |
| Construction | All Welded |
| Grade Type | Performance |
| Inlet Connection Type | Pipe |
| Inlet Outside Diameter | 3.000 in. |
| Inlet Position | Offset |
| Inlet Type | Single Offset |
| Main Piping Diameter | 3.000 in. |
| Material | T-304 Stainless Steel |
| Muffler Count | 1 |
| Off Road Use Only | No |
| Outlet Outside Diameter | 3.000 in. |
| Outlet Position | Offset |
| Outlet Type | Single Offset Outlet |
| Overall Length | 18.000 in. |
| Shape | Oval |
| Tip / Outlet Finish | N/A |
| Country of Origin | US |
| Warranty | See Website - https://www.borla.com/support/million-mile-warranty |
| Weight (lbs) | 10 |
California Proposition 65 warning applies to this product. www.P65Warnings.ca.gov
Features
- Borla products are constructed using T-304 stainless steel for long life and sharp appearance and feature all welded construction for maximum durability.
- Borla products are constructed using T-304 stainless steel for long life and sharp appearance and feature all welded construction for maximum durability.
Overview
Notched necks for easy clamp-on installation. 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.
Questions
Will this fit my truck?
Select your truck at the top of the page and the fit check will confirm it. If your exact trim is not listed, call 866-235-4715 or live chat and a fitment specialist will check it before you order.
Do you help with installation?
Yes. Our technical team helps you or your shop with installation and troubleshooting after delivery, on top of the manufacturer’s support.
What if the part has a problem?
We work the warranty claim with the manufacturer on your behalf, within the manufacturer’s warranty policy.
Can I return it?
Most items can be returned within 30 days. See our return policy for details.
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