


Borla XR-1 Multi-Core 3in Ctr-Ctr Round 16in x 6.25in Rotary Engine Equipped Racing Muffler
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Borla XR-1 Multi-Core 3in Ctr-Ctr Round 16in x 6.25in Rotary Engine Equipped Racing MufflerSKU: 400373 UPC: 808422003735 Borla XR 1 Multi Core 3in Ctr Ctr Round 16in x 6. 25in Rotary Engine Racing Muffler 400373 Fits Mazda RX 7 RX 8 The Borla 400373 XR 1 Multicore Muffler delivers aggressive racing sound and performance gains for rotary engine vehicles like Mazda RX 7 (1979 2002) and RX 8 (2004 2011). This universal 3 inch center inlet center outlet design with 16 inch long 6. 25 inch round body suits high horsepower rotary setups and
Quick Dispatch:
Your Borla XR-1 Multi-Core 3in Ctr-Ctr Round 16in x 6.25in 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 Round 16in x 6.25in 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.
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4.0 ★★★★★
Based on 1811 reviews
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Product Reviews
★★★★★ 4
Cover too loose.
Size: 300A Fuse Holder
Nice looking, decent quality, versatile for different gauges. My only complaint with this holder is the cover doesn’t stay on very well, bought 3, and all 3 pop off easily, you will need to zip tie on.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 12, 2026
★★★★★ 5
Works as it should.
Size: 300A Fuse Holder
I’ve had several of these in my build for over a year now. Zero issues.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 3, 2025
★★★★★ 5
Good brand
Size: 300A Fuse Holder
Good product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 5, 2025
★★★★★ 5
Solid choice for fuse holder
Size: 300A Fuse Holder
It’s awesome, solid connections for running 0 gauge wire. No issues after using for months! Might upgrade to using 0 gauge wire ferrules to use with this but for now everything is working well.
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Reviewed in the United States on January 14, 2026
★★★★★ 5
Would buy again
Size: 300A Fuse Holder
Works as described
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Reviewed in the United States on April 13, 2026
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