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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
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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.

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  • Express: 1-2 business days

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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.
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4.4 ★★★★★
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Jennifer Hall
Carnegie, US
★★★★★ 5
Great pillows!
Size: Queen, Unit Count: 2.0
Not too firm, not too soft. Holds shape well - my go to pillow. I’ve ordered these many times
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
J
Verified Purchase
janis anderson
Phoenix, US
★★★★★ 5
Fantastic pillow protectors
Size: Queen, Unit Count: 2.0
Perfect pillow protectors! Material is beautiful.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
S
Verified Purchase
sandra shepherd
Bozeman, US
★★★★★ 4
Soft
Size: Queen, Unit Count: 2.0
Nice pillows
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
B
Verified Purchase
BoxerMom
Draper, US
★★★★★ 5
Cozy Pillows
Size: King, Unit Count: 2.0
Great pillows that are comfortable for all seasons! They appear non wrinkled and retain their shape! They have a cooling effect and come in different colors. These are the pillows all my family want to sleep on! Great quality and oh, so comfy!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 5, 2026
V
Verified Purchase
VideoGuy
Omaha, US
★★★★★ 5
Better Night Sleep
Size: Queen, Unit Count: 2.0
These pillows has been letting me have a better nights sleep. Soft but not too soft. They keep their shape and gives my neck support as a side sleeper.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026

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