Borla XR-1 Racing Sportsman 2 1/2 inch Outlet / 2 1/2 inch Inlet 16in Case Oval Muffler

SKU: BOR40942

Mufflers

BOR XR-1 Mufflers...

Borla

Borla XR-1 Racing Sportsman 2 1/2 inch Outlet / 2 1/2 inch Inlet 16in Case Oval Muffler

SKU: BOR40942

Mufflers

BOR XR-1 Mufflers...

Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.

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Description

XR-1(r) Sportsman Racing Muffler. 2.5" Center Inlet/ 2.5" Center Outlet 4.25" x 7.88" Oval x 16" Long Body 21" Overall Length. Compact size is perfect for applications with limited space. 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. Hands down, BORLA(r)'s XR-1(r) raceline parts offer the best balance of sound and power. Best of all, it's made in the USA. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.

Product Overview

High quality austenitic stainless steel. Patented, race-winning XR-1 Raceline technology. 3 options: Offset - Made with the same patented, flow through design as the XR-1 Sportsman oval. The inlet/outlet are offset to the same side of the muffler, to accommodate transmission and frame rail interference on some applications Oval -- BORLAs #1 selling racing muffler. Satisfies the needs of most racing applications because it is the lightest, most compact, and highest flowing racing muffler in its class and at a competitive price. Record-holder Hurley Blakeney has run BORLAs on his AA/AT Ford T-Bird because he loves the quieter driver compartment without giving up any power.Round - Made with the same patented, flow through design as the XR-1 Sportsman Oval. This Muffler is 5 inches in diameter and 15 inches long. Designed for door car/ roadster applications that require a compact round muffler.

Product Details

Body Height (in.):	7.88
Body Height:	7.880 in.
Body Length (in.):	16
Body Length:	16.000 in.
Body Width (in.):	4.5
Body Width:	4.500 in.
Construction:	All Welded
Description:	XR-1Ã‚Â® Stainless Sportsman Racing Mufflers
Grade Type:	Performance
Inlet Connection Type:	Pipe
Inlet Outside Diameter:	2.500 in.
Inlet Position:	Center
Inlet Size (in.):	2.5
Inlet Type:	Single Center
Main Piping Diameter:	2.500 in.
Material:	T-304 Stainless Steel
Muffler Count:	1
Off Road Use Only:	No
Outlet Outside Diameter:	2.500 in.
Outlet Position:	Center
Outlet Size (in.):	2.5
Outlet Type:	Single Center Outlet
Overall Length (in.):	21
Overall Length:	21.000 in.
Part Number:	bor40942
Position:	N/A
Prop 65 (C, R or CR):	CR
Prop 65 - Long Label:	WARNING: This product in the physical form it is sold does not present a hazard. However, operations including, but not limited to welding, brazing, or thermal cutting can expose you to chemicals including Chromium, Nickel, Cobalt, Arsenic, Cadmium and Lead which are known to the State Of California to cause cancer, birth defects and other reproductive harm. For more information go towww.P65Warnings.ca.gov
Prop 65 - Short Label:	Proposition 65 Warning.JPG
Prop 65 Yes/No:	Yes
Shape:	Oval
Tip / Outlet Finish:	N/A
Title Extended:	XR-1 Sportsman 2.5in Center-Center 16inx4.5inx7.88in - Racing Muffler Part # 40942
Title:	XR-1 Sportsman Racing Muffler 2.5in Center Inlet/ 2.5in Center Outlet 4.5in x 7.88in Oval x 16in Long Body

Application Summary

XR-1? Sportsman Racing Muffler - 2.5" Center Inlet/ 2.5" Center Outlet 4.25" x 7.88" Oval x 16" Long Body 21" Overall Length. Universal Part. Reversible Design.

Part Type

Exhaust Muffler

Data: v4.2 - Upd: 2026-10-14 02:09:53

Features

2.5" Center Inlet/ 2.5" Center Outlet 4.25" x 7.88" Oval x 16" Long Body 21" Overall Length
Compact size is perfect for applications with limited space
Un-Notched necks are designed for weld in installation. If clamping, use 3" wide band clamp 18004.
Universal muffler. Reversible design.

Specifications

Product Attributes - UPC: 808422409421
Product Attributes - Brand: Borla
Product Attributes - Notes: Straight through design for maximum flow. Continuous filament fiber acoustic material for sound control.
Product Attributes - Quantity: Sold individually.
Product Attributes - Part Type: Mufflers
Product Attributes - Case Shape: Oval
Product Attributes - Reversible: No
Product Attributes - Width (in.): 7.875 in.
Product Attributes - Outlet Style: Standard, without tip
Product Attributes - Product Line: Borla XR-1 Racing Mufflers
Product Attributes - Inlet Location: Center
Product Attributes - Inlet Quantity: 1
Product Attributes - Muffler Finish: Brushed
Product Attributes - Outlet Location: Center
Product Attributes - Outlet Quantity: 1
Product Attributes - Thickness (in.): 4.500 in.
Product Attributes - Muffler Material: 304 stainless steel
Product Attributes - Inlet Diameter (in.): 2.50 in.
Product Attributes - Overall Length (in.): 22.00 in.
Product Attributes - Internal Construction: Straight-through core
Product Attributes - Outlet Diameter (in.): 2.50 in.
Product Attributes - Case Exterior Length (in.): 16.00 in.
Product Attributes - Manufacturer's Part Number: 40942

Reference Information

Brand Name/s	Borla
StreetFX SKU	bor40942
SFX Item ID	4224844
Supplier Item Code	4224844
Manufacturer SKU	40942
Manufacturer UPC	808422409421
Alternative References	xr-1, 16in

Brochures

Primary brochure

Compatibility

XR-1? Sportsman Racing Muffler - 2.5" Center Inlet/ 2.5" Center Outlet 4.25" x 7.88" Oval x 16" Long Body 21" Overall Length. Universal Part. Reversible Design.

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