Borla Universal Performance 2.5in Inlet/Outlet Stainless Racing Muffler

SKU: BOR400024

Mufflers

BOR XR-1 Mufflers...

Borla

Borla Universal Performance 2.5in Inlet/Outlet Stainless Racing Muffler

SKU: BOR400024

Mufflers

BOR XR-1 Mufflers...

IN STOCK! Est Ship 3-5 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.

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Description

XR-1(r) Multi-Core Racing Muffler. 3.5" Center Inlet/ 3.5" Center Outlet 6.25" Round x 24" Long Body 29" Overall Length. Long body design works well on SUV & truck applications but can be used on a wide range of vehicles including rotary engine equipped vehicles. It features BORLA(r)'S patented Multi-core 6 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 (CRF) 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

BORLA XR-1 Raceline products are the choice of todays hottest drag and oval track racers. Featuring a patented uninerrupted-flow design and multicore technology. BORLAs XR-1 mufflers actually outflow a straight piece of pipe in repeated testing. XR-1 race products are light weight and constructed of high quality austenitic stainless steel for track-tough durability. They meet the strictest noice requirements and use sound absorbing stainless steel pcking to protect against burnout. Hands down, BORLAs XR-1 Raceline offers the best balance of sound and power.

Product Details

Body Height (in.):	6.25
Body Height:	6.250 in.
Body Length (in.):	14
Body Length:	14.000 in.
Body Width (in.):	6.25
Body Width:	6.250 in.
Construction:	All Welded
Description:	XR-1Ã‚Â® Stainless Multicore 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.):	19
Overall Length:	19.000 in.
Part Number:	bor400024
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 2.5in Center-Center 14inx6.25in Round - Racing Muffler Part # 400024
Title:	XR-1 Multi-Core Racing Muffler 2.5in Center Inlet/ 2.5in Center Outlet 6.25in Round 14in Long Body

Application Summary

XR-1? Multi-Core Racing Muffler For Venues Requiring A Muffler - 2.5" Center Inlet/ 2.5" Center Outlet 6.25" Round x 14" Long Body 18.5" Overall Length. Universal Part. Reversibile Design.

Part Type

Exhaust Muffler

Data: v4.2 - Upd: 2026-10-13 15:27:14

Features

2.5" Center Inlet/ 2.5" Center Outlet 6.25" Round x 14" Long Body 18.5" Overall Length
Can be used on a wide range of vehicles including rotary engine equipped vehicles
Long body design works well on SUV & truck applications
Multi-Core 6 tube internal design
Universal muffler. Reversible design.

Specifications

Product Attributes - UPC: 808422000246
Product Attributes - Brand: Borla
Product Attributes - Notes: Multi core design. Features stainless steel sound absorbing material to protect against burnout.
Product Attributes - Quantity: Sold individually.
Product Attributes - Part Type: Mufflers
Product Attributes - Case Shape: Round
Product Attributes - Reversible: No
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: Natural
Product Attributes - Outlet Location: Center
Product Attributes - Outlet Quantity: 1
Product Attributes - Muffler Material: 304 stainless steel
Product Attributes - Inlet Diameter (in.): 2.50 in.
Product Attributes - Overall Length (in.): 20.00 in.
Product Attributes - Internal Construction: Straight-through core
Product Attributes - Outlet Diameter (in.): 2.50 in.
Product Attributes - Case Exterior Length (in.): 14.00 in.
Product Attributes - Manufacturer's Part Number: 400024
Product Attributes - Case Outside Diameter (in.): 6.25 in.

Reference Information

Brand Name/s	Borla
StreetFX SKU	bor400024
SFX Item ID	4224676
Supplier Item Code	4224676
Manufacturer SKU	400024
Manufacturer UPC	808422000246
Alternative References	xr-1, 2.5in

Brochures

Primary brochure

Compatibility

XR-1? Multi-Core Racing Muffler For Venues Requiring A Muffler - 2.5" Center Inlet/ 2.5" Center Outlet 6.25" Round x 14" Long Body 18.5" Overall Length. Universal Part. Reversibile Design.

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