Borla XR-1 Multi-Core 3in Ctr-Ctr Oval 16in x 4.25in x 7.88in Rotary Engine Equipped Racing Muffler

Borla XR-1 Multi-Core 3in Ctr-Ctr Oval 16in x 4.25in x 7.88in Rotary Engine Equipped Racing Muffler

Marsoni

M251S

$149.50

Get it in 3 business days with 1 day shipping. Friday, May 29

Borla XR-1 Multi-Core 3in Ctr-Ctr Oval 16in x 4.25in x 7.88in Rotary Engine Equipped Racing MufflerSKU: 400371 UPC: 808422003711 Borla XR 1 Multi Core 3in Ctr Ctr Oval 16in x 4. 25in x 7. 88in Rotary Engine Equipped Racing Muffler 400371 Mazda RX 7 RX 8 Borla 400371 XR 1 Multi Core racing muffler delivers aggressive exhaust note and power gains for rotary engine vehicles like Mazda RX 7 and RX 8. This universal reversible oval muffler with patented Multi Core technology fits tight spaces while enhancing torque fuel economy and engine longevity.

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Your Borla XR-1 Multi-Core 3in Ctr-Ctr Oval 16in x 4.25in x 7.88in Rotary Engine Equipped Racing Muffler orders ship within 1-2 business days.

Delivery Options:

Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

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You'll receive a tracking link by email once your Borla XR-1 Multi-Core 3in Ctr-Ctr Oval 16in x 4.25in x 7.88in Rotary Engine Equipped Racing Muffler ships.

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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Reviewed in the United States on February 22, 2022

Michelle Garcia

West Palm Beach, US

★★★★★ 5

Great for a homeschool room

Color: Black, Size: 4' Wide x 6' Tall (Fluted)

I homeschool my kids and in their school room, I use this to divide between my sons side & my daughters side. Its easy to set up, and is sturdy.

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Reviewed in the United States on October 14, 2023

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@toogieblossom

Draper, US

★★★★★ 5

Best sock I've ever had!

Size: Large, Color: White, Size: Large, Color: White

I have these same socks in white and gray, oh, and a couple of colors, and they are my favorite socks. They're the most comfortable, best-fitting socks I've ever ordered.

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Reviewed in the United States on November 13, 2025

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Colleen R.

Chelsea, US

★★★★★ 5

Perfect socks for all day wear

Size: Medium, Color: White

Light weight dry fit. Extremely comfortable very functional fits nice and is not too thick but not too thin. I wouldn’t say they are slip resistant but I am not going to try sliding around in them. I would buy again and choose over other brands I have tried before

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Reviewed in the United States on March 28, 2025

Verified Purchase

Clement

Battle Creek, US

★★★★★ 5

Good Socks

Size: Large, Color: Black

Fit great and feel good. High quality materials. Recommended.

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Reviewed in the United States on November 17, 2025