Borla 40658 ProXS Universal Muffler 2.25" Offset Inlet/Center Outlet, Stainless

Vehicle Fitment

• Universal Fitment - Custom Exhaust Applications
• Compatible with 2.25" Exhaust Tubing

Fitment Notes

• Universal muffler designed for custom exhaust fabrication and replacement applications
• Un-notched inlet and outlet necks designed for weld-in installation
• For clamp-on installation, use Borla 3" wide band clamps (Part# 18003) - clamps sold separately
• Alternate muffler with notched necks for clamp installation available (Part# 400479)
• Reversible design allows offset inlet/center outlet OR center inlet/offset outlet configuration
• Compact oval body fits applications with limited space constraints
• Professional exhaust fabrication and welding recommended for proper installation
• Sold individually

Features

• Borla ProXS series universal muffler delivers the signature "Borla Sound of Power" exhaust tone
• Straight-through internal design with no chambers or baffles for unrestricted exhaust flow
• Patented straight-through technology increases horsepower and torque
• High-temperature continuous-filament fiber (CFF) acoustic packing material for optimal sound control
• Aircraft-quality T-304 austenitic stainless steel construction will never rust or corrode
• 100% welded construction provides superior strength and durability
• Reversible design offers installation flexibility for offset or center inlet/outlet positioning
• Compact oval body shape fits tight spaces where round mufflers cannot
• Precision manufactured by the pioneers in performance exhaust technology
• Proudly made in the USA
• Backed by Borla's industry-leading Million Mile Warranty

Specifications

• Part Number: 40658
• Brand: Borla
• Product Line: ProXS (formerly Turbo)
• Type: Universal Performance Muffler
• Inlet Diameter: 2.25 inches
• Outlet Diameter: 2.25 inches
• Inlet Location: Offset
• Outlet Location: Center
• Inlet Quantity: 1
• Outlet Quantity: 1
• Case Shape: Oval
• Case Dimensions: 4.25" x 7.88" (Height x Width)
• Body Length: 14 inches
• Overall Length: 19 inches
• Material: T-304 Austenitic Stainless Steel
• Internal Construction: Straight-Through Core
• Acoustic Material: Continuous-Filament Fiber (CFF)
• Neck Style: Un-Notched (Weld-In)
• Finish: Natural Stainless
• Reversible Design: Yes
• Weight: Approximately 10 lbs
• Quantity: Sold Individually
• Country of Origin: USA
• UPC: 808422406581
• Warranty: Borla Million Mile Warranty

Included Components

• (1) Borla 40658 ProXS Universal Muffler

Product Description

The Borla 40658 ProXS Universal Muffler delivers proven performance exhaust technology in a compact oval design for custom exhaust applications. Featuring Borla's patented straight-through core with no chambers or baffles, this muffler provides unrestricted exhaust flow to increase horsepower and torque while producing the distinctive aggressive Borla exhaust tone. Precision manufactured from aircraft-quality T-304 austenitic stainless steel with 100% welded construction for rust-free durability. The reversible design and compact 4.25" x 7.88" oval body fits tight spaces with installation flexibility. Proudly made in the USA and backed by Borla's Million Mile Warranty.