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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
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Description
GDP "Maximizer" System 07.5-09 Dodge 6.7L CumminsThe "Maximizer System" is designed to work with '07. 5 '09 6. 7L Dodge Rams with stock in tank lift pumps. We've had many requests from owners for a system to maximize the output and life of the stock in tank lift pump. The "Maximizer System" does just that! The Maximizer removes all of the restrictive factory lines and banjo fittings replacing them with custom stainless JIC adapters and full 3 8" fuel lines. No drilled out hydraulic adapters here!
The "Maximizer System" is designed to work with '07.5-'09 6.7L Dodge Rams with stock in-tank lift pumps. We've had many requests from owners for a system to maximize the output and life of the stock in-tank lift pump. The "Maximizer System" does just that! The Maximizer removes all of the restrictive factory lines and banjo fittings replacing them with custom stainless JIC adapters and full 3/8" fuel lines. No drilled out hydraulic adapters here! Factory fittings are a mere .185" diameter as opposed to the GDP stainless fittings with a full .300" diameter. That's a 250% increase in flow area through the fittings!New lines cover the connection from the factory steel supply line to the filter housing inlet and filter housing to CP-3 inlet. The stock lift pump stays in the factory location but overall pressure and flow to the CP3 is greatly increased. With a healthy in-tank lift pump, average gains above your current readings are 3 psi at idle and up to 7 additional psi at full throttle! If you're under warranty and not ready for a full fuel system upgrade, or just trying to get the most form your stock in-tank lift pump, the "Maximizer" is the best alternative available!
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 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
4.5 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
muy bueno
recomiendo el producto se adapto a mi camioneta, hasta el día de hoy se conserva muy bien
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Reviewed in the United States on September 19, 2024
★★★★★ 5
Buena calidad
Excelente
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Reviewed in the United States on June 28, 2025
★★★★★ 5
Trusted reliable brand
Size: 5 Liter, Style: 1 Pack, Configuration: 5W-30
I recently used LIQUI MOLY Molygen New Generation 5W-30 for an oil change and overall I’m very impressed with the quality. The oil feels like a premium product and the difference in engine smoothness was noticeable almost immediately after the change. The engine runs quieter and smoother, especially during cold starts. This oil uses advanced additive technology designed to reduce friction and protect internal engine components, which helps improve efficiency and extend engine life. It also helps prevent deposits and keeps the engine cleaner over time. ()
Another thing I like is that it maintains stable viscosity even under high temperatures and heavy driving conditions. It provides excellent lubrication and wear protection while also helping improve fuel efficiency. The oil is also compatible with modern engines, including turbocharged applications, this is a high-quality synthetic motor oil that provides excellent protection and performance. If you’re looking for a reliable oil that keeps the engine running smoothly and helps reduce wear, this is definitely a great option and worth the price.
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Reviewed in the United States on March 7, 2026
★★★★★ 5
The best thing you can use in a Tahoe! Period!
Size: 5 Liter, Style: 1 Pack, Configuration: 5W-30
This is like liquid gold for your vehicle,it's molecular make up,is far superior to any oil out there,as it gets hot,it's molecules bind to every component inside your engine and attaches itself to the metal and fills in the stress points,all points really,it basically soaks into the metals,and is by far the most long lasting and does not break down like other oils,I get 10k off one oil change and I have 273,000 miles on my 03 Tahoe and this stuff is incredible I don't have any ticks,clicks,knocks, Nothing,not on fire up,cold start,my truck runs about five degrees cooler,I get a couple more miles to the gallon and my motor purrs like new,I could probably go 12-15k between oil changes,but I change it with the filter at 10K a new AC Delco pf46e and a 5-1/4 qt jug of liquid moly 5-30 full synthetic a new crush washer and I'm good for 10,000 miles Easily.
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Smooth, Quiet, and Reliable Protection
Size: 5 Liter, Style: 1 Pack, Configuration: 0W-20
I recently switched over to this oil and it’s honestly one of the best upgrades I’ve made for my 2018 Mazda 3 Hatchback 2.5L. The 5 liter jug is the perfect amount for a full change, and I really like knowing it’s a high-quality fully synthetic formula that gives my engine the protection it deserves.
The first thing I noticed was how much smoother cold starts became—no more of that rough, clunky sound in the mornings. The engine feels quieter overall and runs more efficiently, like it’s not straining as much. I’ve also seen fewer deposits and buildup, which gives me peace of mind about long-term wear.
Another thing I appreciate is that it’s designed with modern engines in mind—safe for turbocharged setups and catalytic converters. It also blends easily with other oils, which makes topping off simple if I ever need to.
Highlights for me:
Excellent cold-start protection, even on chilly mornings.
Noticeable improvement in smoothness and reduced engine noise.
Works well with today’s engines, including turbos.
Easy to mix when topping off.
Overall, this oil gives me confidence that my engine is well-protected and performing at its best. Definitely feels like a premium choice that’s worth it.
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Reviewed in the United States on August 17, 2025