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CSTuned Dual-Map Custom E-Tune (EcuTek)

Marsoni M251S
Sale price$196.47
Pay 4 payments of $49.12 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
CSTuned Dual-Map Custom E-Tune (EcuTek)A powerful and reliable dual map (two fuel types) custom remote tune (e tune) from a certified EcuTek Master Tuner! Increased Horsepower and Torque Customizable and Engaging Drivability Greater Reliability and Peace of Mind Superior Fuel Economy Unmatched Customer Support For questions regarding flex fuel calibrations, custom features, the tuning process, recommended maintenance, or anything else, please submit a ticket directly to CSTuned using the
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  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • 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.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 1891 reviews
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Verified Purchase
Chad Welch
Phoenix, US
★★★★★ 5
Good fit
Good quality and fits perfectly
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
K
Verified Purchase
Kevin Boynton
Port Orchard, US
★★★★★ 5
Works
Fit my 1996 xr6 150 just fine. Engine runs at correct temperature so they are working as they should.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 13, 2026
C
Verified Purchase
Champ
Fort Morgan, US
★★★★★ 5
Quick delivery
Fit like they should and seems to be working great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 15, 2026
G
Verified Purchase
GINGER B.
Los Angeles, US
★★★★★ 5
Great product
Great product
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Reviewed in the United States on December 30, 2025
C
Verified Purchase
chris s
West Palm Beach, US
★★★★★ 5
Fit Mercury 150 saltwater 2 stroke great!
These fit my Mercury 150 perfect. Took it out for a test run and engine ran great with no overheating issues.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 26, 2025

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