Borla S-Type Universal Muffler, Part Number 400497, 2.5-Inch Center Inlet and Outlet

Compact size is perfect for applications with limited space. Notched necks for clamp-on installation using 1" wide band style clamps 18325 (clamps not included). Reversible design for installation flexibility. High-quality T-304 austenitic stainless steel for superior corrosion resistance. 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. Specialty Muffler - S-Type - 2.5" Center Inlet/ 2.5" Center Outlet 5" Round x 10" Long Body 15" Overall Length. Universal Part. Reversible Design. Notched Necks. Million Mile Warranty

• Alternate muffler/ res. with Un-Notched necks is 40842S. If clamping, use 3" wide band clamps 18004.
• Notched necks are designed for clamp in installation. Use 1" wide band clamps 18325.
• Compact size is perfect for applications with limited space
• Universal muffler. Reversible design.

The Borla S-Type Universal Muffler, Part Number 400497, delivers a performance-oriented exhaust tone and efficient gas flow in a compact, reversible design. With a 2.5-inch center inlet and 2.5-inch center outlet, this specialty muffler is suitable for custom exhaust systems and applications where installation space is limited. The notched necks are designed for clamp-on installation with 1-inch-wide band clamps, sold separately.

Constructed from premium T-304 austenitic stainless steel, the Borla 400497 provides excellent corrosion resistance and long-term durability. Its fully welded construction supports reliable performance, while the Free Flow design helps reduce exhaust restriction. High-temperature continuous-filament fiber acoustic material helps control sound without compromising the muffler's performance-focused character. The natural mill finish can be brushed or polished before installation for a customized appearance.

This universal Borla S-Type muffler features a reversible layout for added installation flexibility and is backed by Borla's Million-Mile Warranty. For clamp-in installation, use Borla 1-inch-wide band clamps, Part Number 18325. An alternate muffler with un-notched necks is Borla Part Number 40842S, which uses 3-inch-wide band clamps. This product is made in the USA. Professional installation is recommended to ensure proper alignment, secure connections, and adequate exhaust-system clearance.

Brief Description

Compact universal S-Type performance muffler with 2.5-inch center inlet and outlet, notched necks, reversible installation, stainless steel construction, and clamp-on compatibility.

Key Product Specifications & Technical Data

• Brand: Borla
• Part Number: 400497
• Product Type: Universal performance muffler
• Series: S-Type
• Inlet Configuration: Center inlet
• Outlet Configuration: Center outlet
• Pipe Size: 2.5 inches
• Body Shape: Round with notched necks

What's Included in the Box

• One Borla S-Type universal muffler
• Installation clamps are not included

Fitment

Universal fitment. Intended for custom exhaust applications requiring compatible 2.5-inch tubing and suitable mounting clearance.

Features:

• Compact Design: Suitable for custom exhaust systems with limited installation space.
• Reversible Configuration: Allows flexible positioning during exhaust-system installation.
• T-304 Stainless Steel: Provides strong corrosion resistance and dependable long-term durability.
• Free Flow Performance: Fully welded construction and a low-restriction design support efficient exhaust flow.

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1