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Borla Universal Pro-XS Center/Offset Config. Oval 2.25in (19x4x9.5in Case Size) Muffler

SKU: BOR40664

Mufflers

BOR Pro-XS Mufflers...

Borla Universal Pro-XS Center/Offset Config. Oval 2.25in (19x4x9.5in Case Size) Muffler

SKU: BOR40664

Mufflers

BOR Pro-XS Mufflers...

A$408.64
Available from MFR. In stock at 1 location (3 available)

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Description

Muffler

Value-priced BORLA® ProXS mufflers share many of the hottest features of our performanceline. Including high-quality 300 Series austenitic stainless steel construction, streetcommandingsound and our Million Mile Warranty. Sizes are available for import anddomestic cars and trucks.

Additional Information

ProXS Muffler 2.25" Offset Inlet/ 2.25" Center Outlet, 4" x 9.5" Oval, 14" Long Body, 19" Overall Length. Universal Part. Reversible Design.

Part Type

Exhaust Muffler

Product Overview

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.


Data: v2 - Desc: v4.2 - Upd: 2026-11-07 17:21:22

Data: v4.2 - Upd: 2026-11-08 01:06:02

Features

  • 2.25" Offset Inlet/ 2.25" Center Outlet, 4" x 9.5" Oval, 19" Long Body, 24" Overall Length
  • Alternate muffler with Notched necks is 400483. Use 1" wide band clamps 18322.
  • Un-Notched necks are designed for weld in installation. If clamping, use 3" wide band clamps 18003.
  • Universal muffler. Reversible design.

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Body Height (in.):4
Body Height:4.000 in.
Body Length (in.):19
Body Length:19.000 in.
Body Width (in.):9.5
Body Width:9.500 in.
Construction:All Welded
Description:Borla® Pro XS Muffler
Grade Type:Performance
Inlet Connection Type:Pipe
Inlet Position:Center
Inlet Size (in.):2.25
Inlet Type:Single Center
Main Piping Diameter:2.250 in.
Material:T-304 Stainless Steel
Muffler Count:1
Off Road Use Only:No
Outlet Outside Diameter:2.250 in.
Outlet Position:Offset
Outlet Size (in.):2.25
Outlet Type:Single Offset Outlet
Overall Length (in.):24 (2 ft.)
Overall Length:24.000 in.
Part Number:bor40664
Shape:Oval
Title Extended:ProXS Muffler 2.25in Offset/Center 19inx4inx9.5in Part # 40664
Title:ProXS Muffler 2.25in Offset Inlet/ 2.25in Center Outlet 4in x 9.5in Oval x 14in Long Body

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Borla, Borla Exhaust
StreetFX SKU bor40664
SFX Item ID 4224567
Accounting SKU bor-40664
Manufacturer SKU 40664
Manufacturer UPC 808422406642
Alternative References 40664, BOR-40664

Muffler, Turbo XL, 2 1/4 in. Inlet/2 1/4 in. Outlet, Brushed Stainless Steel, Each

Borla Turbo XL mufflers are designed for supreme street performance. They offer aircraft-quality, T-304 stainless steel, all-welded construction and more for increased horsepower and torque. These mufflers have been independently tested and proven to provide maximum flow capacity. Borla Turbo XL mufflers are recommended for larger engines.

Product Attributes
BrandBorla
Manufacturer's Part Number40664
Part TypeMufflers
Product LineBorla Performance Turbo XL Mufflers
UPC808422406642
Muffler Material304 stainless steel
Inlet Diameter (in.)2.25 in.
Outlet Diameter (in.)2.25 in.
Inlet Quantity1
Outlet Quantity1
Internal ConstructionTurbo-style
Inlet LocationCenter
Outlet LocationOffset
Case ShapeOval
ReversibleYes
Muffler FinishBrushed
Case Exterior Length (in.)19.00 in.
Overall Length (in.)24.00 in.
Thickness (in.)4.000
Width (in.)9.500 in.
Outlet StyleStandard, without tip
RemanufacturedNo
QuantitySold individually.

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