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

Marsoni M251S
Sale price$149.50
Pay 4 payments of $37.38 a month.Shop Pay
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.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 1845 reviews
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Product Reviews
B
Verified Purchase
BARBARA KING
Chelsea, US
★★★★★ 5
Very durable
Flavor Name: Steak, Size: X-Large
This is great for an aggressive chewer lady a long time very durable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
M
Verified Purchase
Ms. Marie
West Palm Beach, US
★★★★★ 5
Great Product!
Size: Medium, Color: green, orange, pink, Pattern Name: clean tuff bone bacon
My dogs love their dental chews! This product is durable and the perfect size for each of my dogs. I've purchased two of them (medium and large). One of my dogs is an aggressive chewer and this product is holding up. Hartz makes great pet products. I'm very happy with the product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2026
S
Verified Purchase
Sumerr Scott
Grantham, US
★★★★★ 5
Good quality
Size: Extra Small, Color: blue, purple, Pattern Name: clean tuff bone bacon
My dogs favorite toy. It’s so small and cute lol it’s lightweight and easy for her to chew. The quality is great, it’s lasting and no broken pieces.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026
M
Verified Purchase
mkk
Waukegan, US
★★★★★ 5
Winnie Loves Them!
Size: Medium (Pack of 3), Color: Orange, Green & Yellow, Pattern Name: Dog
My Winnie is an aggressive chewer and she loves these bones. They're indestructible and they must be delicious because she works on them every day. I was a bit concerned when they were out of stock for a few months. Please don't discontinue them!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026
A
Verified Purchase
Amazon Customer
Carnegie, US
★★★★★ 4
Not bad for the price
Size: Medium (Pack of 3), Color: Orange, Green & Yellow, Pattern Name: Dog
Good for chewing but my little dog had trouble with the brown food coming off in bigger than should be chunks
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 3, 2026

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