Best in 7 days
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Ships within 48 hours · Estimated delivery Jul 9 - Jul 14
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Description
O2 Sensor Eliminator Kit - Aprilia RS RS4 RX SX Tuono 125 RS125 RX125 SX125EURO5 O2 SENSOR ELIMINATOR The SmartMoto E5 O2 Sensor Eliminator Kit replaces the factory oxygen sensor in a motorcycle's exhaust. The kit allows the bike's ECU to bypass the limitations of the oxygen sensor system and use the installed air fuel map. This results in improved throttle response, smoother power delivery, plus more torque available in the low and mid RPMs. This kit is designed for models that follow the latest emissions standards, such as
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.1 ★★★★★
Based on 696 reviews
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Product Reviews
★★★★★ 5
Comfortable active wear
Special Size Type: Quarter Zip, Size: XX-Large, Color: Slate Grey
This a comfortable piece of active wear. It fits beautifully and I love the color.
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Reviewed in the United States on May 5, 2026
★★★★★ 4
Nice looking and soft
Special Size Type: Full Zip, Size: XX-Large, Color: Slate Grey
Soft fabric and great color (grayish purplish/bluish). Pants fit nicely, but I may have been able to size down just for how high I can pull them up and them slipping down. On the other hand, I wish the jacket was bigger. It fits probably like it’s supposed to but you can definitely see every lump on my stomach. I will wear it unzipped. The material is medium weight, very stretchy, and nice. I do think it will probably pill- it just seems like things I’ve had that do. I won’t dry it. I’m 5’4” and weigh 195.
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Reviewed in the United States on October 27, 2025
★★★★★ 5
I’d buy again
Special Size Type: Full Zip, Size: Medium, Color: Slate Grey
Good quality. I wash it every week and stitching is still good.
Nice shape fitting .
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Reviewed in the United States on April 16, 2026
★★★★★ 5
Get it
Special Size Type: Quarter Zip, Size: Medium, Color: Slate Grey, Special Size Type: Quarter Zip, Size: Medium, Color: Slate Grey
Fits great. Nice material. Medium
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Wonderful!
Special Size Type: Quarter Zip, Size: Small, Color: Taupe
Wonderful soft fabric. Not too thick, not too thin - just right! Love the taupe color. I usually wear a small, but needed to size up to medium for the shoulders to have a bit more room to move when I run.
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Reviewed in the United States on April 15, 2026
