Borla Universal XR-1 Multi-Core Racing Muffler 3.5in Center-Center 14in x 6.25in Round

SKU: BOR401012

Mufflers

BOR XR-1 Mufflers...

Borla

Borla Universal XR-1 Multi-Core Racing Muffler 3.5in Center-Center 14in x 6.25in Round

SKU: BOR401012

Mufflers

BOR XR-1 Mufflers...

Last Available from MFR. LAST ONE AVAILABLE from the manufacturer's distribution centre. Once sold, this item may not be immediately available again. The dispatch timeframe shown is an estimate based on historical orders for this part and is dependent on the manufacturer releasing the final available unit.

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Description

XR-1(r) Multi-Core Racing Muffler. 3.5" Center Inlet/ 3.5" Center Outlet 6.25" Round x 14" Long Body 19.75" Overall Length. Designed for applications where a 6.25" round body can be used and will work on a wide range of vehicles. It features BORLA(r)'S patented Multi-Core 4 tube design for maximum flow, horsepower, and torque. The Multi-Core portion of XR-1(r) mufflers flows better than straight tubing. Recommend for high horsepower applications. Reversible design for installation flexibility. T-304 Stainless steel for superior corrosion resistance. Natural mill finish can be brushed or polished prior to installation. 100% welded construction for strength. High-temperature continuous-filament fiber (CFF) acoustic material for sound control. 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

Designed for vehicles racing at venues requiring a muffler, but can be used for other applications. Reversible design for installation flexibility. Patented Multicore design for maximum power. Recommend for high horsepower applications. T-304 Stainless steel will never rust. 100% welded construction for strength. High-temperature continuous-filament fiber (CFF) acoustic material for sound control. 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 Details

Body Height (in.):	6.25
Body Height:	6.250 in.
Body Length (in.):	14
Body Length:	14.000 in.
Body Width (in.):	OEM
Body Width:	OEM
Construction:	All Welded
Description:	XR-1 Stainless Multicore Racing Mufflers; Center/Center; Round; 3.5 in. Inlet/Outlet; 14 in. x 6.25 in. Case Size;
Grade Type:	Performance
Inlet Connection Type:	Pipe
Inlet Position:	Center
Inlet Size (in.):	3.5
Inlet Type:	OEM
Main Piping Diameter:	3.500 in.
Material:	T-304 Stainless Steel
Muffler Count:	1
Off Road Use Only:	No
Outlet Outside Diameter:	3.500 in.
Outlet Position:	Center
Outlet Size (in.):	3.5
Outlet Type:	OEM
Overall Length (in.):	OEM
Overall Length:	OEM
Part Number:	bor401012
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:	Round
Tip / Outlet Finish:	N/A
Title Extended:	XR-1 Multi-Core 3.5in Center-Center 14inx6.25in Round - Racing Muffler Part # 401012
Title:	XR-1 Multi-Core Racing Muffler 3.5in Center Inlet/ 3.5in Center Outlet 6.25in Round x 14in Long Body

Application Summary

XR-1 Multi-Core Racing Muffler For Venues Requiring A Muffler - 3.5" Center Inlet/ 3.5' Center Outlet 6.25" Round x 14" Long Body 19.75" Overall Length. Universal Part. Reversible Design.

Part Type

Exhaust Muffler

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

Features

3.5" Center Inlet/ 3.5" Center Outlet 6.25" Round x 14" Long Body 19.75" Overall Length
Designed for applications where a 6.25" round body can be used
Multi-Core 4 tube internal design
Universal muffler. Reversible design.
Will work on a wide range of vehicles

Specifications

Product Attributes - Brand: Borla
Product Attributes - Manufacturer's Part Number: 401012
Product Attributes - Part Type: Mufflers
Product Attributes - Product Line: Borla XR-1 Racing Mufflers
Product Attributes - UPC: 808422010122
Product Attributes - Muffler Material: 304 stainless steel
Product Attributes - Inlet Diameter (in.): 3.50 in.
Product Attributes - Outlet Diameter (in.): 3.50 in.
Product Attributes - Inlet Quantity: 1
Product Attributes - Outlet Quantity: 1
Product Attributes - Internal Construction: Straight-through core
Product Attributes - Inlet Location: Center
Product Attributes - Outlet Location: Center
Product Attributes - Case Shape: Round
Product Attributes - Reversible: No
Product Attributes - Muffler Finish: Natural
Product Attributes - Case Exterior Length (in.): 14.00 in.
Product Attributes - Case Outside Diameter (in.): 6.25 in.
Product Attributes - Remanufactured: No
Product Attributes - Quantity: Sold individually.
Product Attributes - Notes: Multi core design. Features stainless steel sound absorbing material to protect against burnout.

Reference Information

Brand Name/s	Borla
StreetFX SKU	bor401012
SFX Item ID	4225565
Supplier Item Code	4225565
Manufacturer SKU	401012
Manufacturer UPC	808422010122
Alternative References	xr-1, 3.5in, 14in, 6.25in

Brochures

Primary brochure

Compatibility

XR-1 Multi-Core Racing Muffler For Venues Requiring A Muffler - 3.5" Center Inlet/ 3.5' Center Outlet 6.25" Round x 14" Long Body 19.75" Overall Length. Universal Part. Reversible Design.

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