Borla S-Type Universal Muffler, 2.5-Inch Center Inlet and Outlet, Part 40842S

Compact size is perfect for applications with limited space. 2.5" Center Inlet/ 2.5" Center Outlet 5" Round x 10" Long Body 15" Overall Length. Reversible design for installation flexibility. Un-Notched necks are designed for weld in installation. If clamping, use 3" wide band clamp 18004 (clamps not included). 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. Un-Notched Necks. Million Mile Warranty

• Un-Notched necks are designed for weld in installation. If clamping, use 3" wide band clamps 18004.
• Alternate muffler/ resonator with notched necks is 400497. Use 1" wide band clamps 18325.
• Compact size is perfect for applications with limited space
• Universal. Reversible design.

The Borla S-Type Universal Muffler is a compact, reversible exhaust solution designed for custom automotive applications with limited installation space. It features a 2.5-inch center inlet and 2.5-inch center outlet with a 5-inch round body and 10-inch body length. The un-notched necks are intended for weld-in installation, while optional clamping installation requires Borla 18004 3-inch-wide band clamps, sold separately.

Constructed from high-quality T-304 austenitic stainless steel, the Borla 40842S delivers excellent corrosion resistance and long-term durability. Its fully welded construction supports strength under demanding exhaust conditions, while the free-flow design helps improve exhaust flow and performance. High-temperature continuous-filament fiber acoustic material provides controlled sound performance. The natural mill finish may be brushed or polished before installation for a customized appearance.

Key Features and Performance Benefits

• Compact universal design fits applications with limited space.
• Reversible layout provides installation flexibility.
• Free-flow construction supports improved exhaust performance.
• T-304 stainless steel and welded construction provide corrosion resistance and lasting strength.

Product Specifications and Technical Data

• Brand: Borla
• Part Number: 40842S
• Series: S-Type
• Application: Universal automotive exhaust
• Inlet Configuration: 2.5-inch center inlet
• Outlet Configuration: 2.5-inch center outlet
• Body Style: Round, compact muffler
• Construction and Finish: T-304 stainless steel, fully welded, natural mill finish

What's Included

One Borla S-Type universal muffler. Clamps, exhaust tubing, hangers, and installation hardware are not included. For clamp-on installation, use Borla 18004 3-inch-wide band clamps. Borla backs this muffler with its Million-Mile Warranty. Professional installation is recommended to confirm vehicle fitment, exhaust routing, clearance, and connection requirements.

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