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400372 Borla XR-1 Mufflers

Name: Borla 400372 XR-1 Mufflers
Brand: Borla
SKU: 400372
Price: 277.30 USD
Availability: InStock

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Product: Borla XR-1 Mufflers

Category: Borla Muffler

Part Number: 400372

UPC: 808422003728

MSRP: $299.99

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$277.30

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New with manufacturer warranty

Availability: IN STOCK (5+)
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(Last checked: 06/29/2026)
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Description:

NOTES: Borla XR-1 Multi-Core 3in Ctr-Ctr Oval 12in x 4.25in x 7.88in Rotary Engine Equipped Racing Muffler

XR-1® Multi-Core Racing Muffler Rotary Engine Equipped Vehicles - 3" Center Inlet/ 3" Center Outlet 4.25" x 7.88" Oval x 12" Long Body 17" Overall Length. Universal Part. Reversible Design.. Patented Multi-Core Technology.

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.

Features:

3" Center Inlet/ 3" Center Outlet 4.25" x 7.88" Oval x 12" Long Body 17" Overall Length
Universal muffler. Reversible design. No BORLA® logo embossement.
Compact design is perfect for applications with limited space
Can be used on a wide range of vehicles
Multi-Core 4 tube internal design

Fitment:

Years	Make	Model	Trim
Sorry we do not have fitment information available for this part number. Contact us for any fitment questions.

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For more information on Borla part number 400372, you can visit the official Borla website.