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Description
Borla XR-1 Multi-Core 3in Ctr-Ctr Oval 16in x 4.25in x 7.88in Rotary Engine Equipped Racing MufflerXR 1 Multi Core Racing Muffler. 3" Center Inlet 3" Center Outlet 4. 25" x 7. 88" Oval x 16" Long Body 21" Overall Length. Compact size is perfect for applications with limited space and can be used on a wide range of vehicles. It features BORLA'S patented Multi Core 4 tube design for maximum flow, horsepower, and torque. The Multi Core portion of XR 1 mufflers flows better than straight tubing. Recommend for high horsepower applications. Reversible
XR-1® Multi-Core Racing Muffler. 3" Center Inlet/ 3" Center Outlet 4.25" x 7.88" Oval x 16" Long Body 21" Overall Length. Compact size is perfect for applications with limited space and can be used on a wide range of vehicles. It features BORLA®'S patented Multi-Core 4 tube design for maximum flow, horsepower, and torque. The Multi-Core portion of XR-1 mufflers flows better than straight tubing. Recommend for high horsepower applications. Reversible design for installation flexibility. T-304 Stainless steel will never rust. 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. There is no BORLA® logo embossment on this part. 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.Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
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4.4 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Great book a must have
Format: Paperback
Added to my collection. Great book
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Reviewed in the United States on February 11, 2026
★★★★★ 5
Good history and informative
Awesome read!
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Reviewed in the United States on February 5, 2026
★★★★★ 5
Untold Historical Legend!
Format: Paperback
This book tells the story of one of the greatest American heroes, Robert F. Williams. Robert F. Williams life and acts of heroism should be taught in every school and his name should be as well known as the names of Malcolm X and Martin Luther King Jr. This book details the life of Williams and the tragic events that led to him becoming an activist during the Civil Rights Movement. It’s a short book and is less than 100 pages long. It’s a quick read and I highly recommend it to anyone who wants to learn more about American history and one of America’s greatest hero who has been erased from history books until now.
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Reviewed in the United States on June 29, 2025
★★★★★ 5
Great, necessary read
Format: Hardcover
One of the greatest forgotten stories of the civil rights struggle in America. Major influence on the Black Panther Party, was a required read for initiation when it started.
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Reviewed in the United States on December 21, 2024
★★★★★ 5
Raja yoga
Format: Paperback
Best book to read. I definitely would recommend it to anyone interested in yoga.
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Reviewed in the United States on June 1, 2026