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Nitrous Outlet ProMax Progressive Controller Package 1 (Includes Controller and Screen)

Marsoni M251S
Sale price$549.50
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Get it in 3 business days with 1 day shipping. Friday, May 29
Nitrous Outlet ProMax Progressive Controller Package 1 (Includes Controller and Screen)Includes the ProMax Progressive Controller, 20 Pin Connector, Flash Drive, USB Cable, LCD Screen & Cable Updateable Firmware 4. 3" full touch screen display allows viewing real time data. Datalogging Capable The Nitrous Outlet Promax Progressive Controller incorporates the system activation and safety functions of the Winmax but adds numerous tuning and traction aids that help you get the most out of your nitrous system. With the Promax you can set
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  • We offer a 30-day return/exchange service after receiving.
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4.7 ★★★★★
Based on 2110 reviews
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Sylvia E.
Omaha, US
★★★★★ 5
OE Quality Part
Worked perfectly. Everything needed is there.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2026
N
Verified Purchase
nastyfishy
Houston, US
★★★★★ 5
10 out of 10
The must do service package. This is a "fits multiple" kit so youll have some extras. The kit also includes the lower unit gear oil seals, which is awesome. I always trust quicksilver to be durable and a great value for the money.
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Reviewed in the United States on February 23, 2026
L
Verified Purchase
Lucas Zoll
Alexandria, US
★★★★★ 5
Recommended replacement parts
Worked as advertised, quicksilver parts for replacement on alpha drive gen 2 outdrive.
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Reviewed in the United States on April 8, 2026
C
Verified Purchase
charscars
Pawtucket, US
★★★★★ 5
Very complete kit
This Kit has everything you need to change your waer pump impellor. It comes with directions that are easy to follow, but there re plenty of videos available to help. The Quicksilver kit is priced well and was delivered quickly.
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Reviewed in the United States on November 13, 2025
E
Verified Purchase
Eric Moore
Carnegie, US
★★★★★ 5
Perfect OEM fit
Fixed my impeller on my Mercury Salt Water 115. Best done as a two man job. Lots of videos available online .
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Reviewed in the United States on April 14, 2026

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