Max Flow Diesel

Max Flow Diesel

Here at Max-Flow Diesel we are committed to bringing the customer a superior product at a lower pric

Photos from Dmaxstore's post 13/03/2023
Photos from Max Flow Diesel's post 29/11/2022

Last day to save 10% on Max-Flow parts on dmaxstore.com
Head over to their website and get your parts while they are still on sale!
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09/08/2022

getting his Max-Flow High Performance Water Pump installed 🙌🏻
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Photos from Max Flow Diesel's post 08/08/2022

got a Max-Flow transmission cooler to go along with his fresh transmission!
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05/08/2022

giving this lb7 some new life! Along with a new stage 3 transmission they installed a max-flow radiator and transmission cooler to keep the temps in check!

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04/08/2022

getting a max-flow Arctic transmission cooler installed on this Duramax to keep those transmission temps down!
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02/08/2022

putting our manifolds and up pipes to the test on the Dyno at
📸: .photgraphy

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01/07/2022

Max-flow Subzero transmission coolers are in stock at
Keep your transmission running right in these hot summer months!

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Photos from Max Flow Diesel's post 29/06/2022

Our Line of Arctic radiators are built to keep your Duramax Cool! With over 12% more fins per square inch, heavy gauge steel crimp connecting the end tanks and the core, and reinforced end tanks make this a big upgrade over the factory radiators that have a tendency to leak.
If your truck is running hot a new radiator may be the solution!
Available at DmaxStore.com!

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Photos from Max Flow Diesel's post 27/06/2022

A whole bunch of new parts from going on his Duramax!
❄️ Max-Flow Arctic Radiator
❄️ piping kit
❄️ downpipe
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Photos from Max Flow Diesel's post 24/06/2022

With the Summer temperatures rising, keep your transmission cool with our Arctic transmission coolers for your LB7 LLY LBZ or LMM!
Here is a look at our LBZ & LMM transmission cooler for the Allison 1000 transmission. This is a larger cooler that will replace the undersized OE transmission cooler with this heavy duty upgraded model.
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Photos from Max Flow Diesel's post 24/05/2022

Our Max-Flow Race series manifolds installed on this clean Duramax block!

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Photos from Max Flow Diesel's post 16/03/2022

Our High Performance water pump installed on this LB7 at this is a great upgrade over the factory style water pump with the cast impeller. Available for 2001-2005 LB7 and LLY Duramax trucks. Available
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08/03/2022

Max-Flow high performance water pumps getting prepped for packaging! Available for 2001-2005 LB7 & LLY trucks

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Photos from Max Flow Diesel's post 03/03/2022

Set of our Race Series manifolds on this Duramax.
got busy and installed a TON of upgrades on his truck, from turbo to steering parts and more.
Here he has a set of our race series exhaust manifolds installed right next to a nice set of motor mounts!
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01/03/2022

Max-Flow Transmission Coolers getting ready to be packaged up!
These are for the 2006-2010 LBZ and LMM Duramax, we do have coolers available for 2001-2010 Duramax Trucks with more to come soon.
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Photos from Max Flow Diesel's post 16/02/2022

Looking to upgrade your transmission cooler on your LBZ or LMM?
Look no further than the Max-Flow Subzero transmission cooler available
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Photos from Max Flow Diesel's post 04/02/2022

This 2007.5 LMM was just finished up at Duramax Service Center where the customer got a Max-Flow SubZero Transmission Cooler installed. This Transmission cooler fits 2006-2010 LBZ and LMM Duramax Trucks. With over 480% additional oil capacity the cooling capability of this transmission cooler by far exceeds the factory cooler without interrupting airflow into the cooling stack by maintaining the factory location.
Owner: Dale Aleshire
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Photos from Max Flow Diesel's post 27/01/2022

The factory up pipes on the 2001-2016 GM 6.6L Duramax have a welded on downpipe support bracket, unfortunately they have a tendency to break off (like the one in this picture 😳) we now have an aftermarket support bracket that you can upgrade to to eliminate this issue!
Made from 3/16” 304 stainless steel you won’t have to worry about this one breaking. Comes with grade 10.9 hardware to secure your downpipe to your factory length manifolds and up pipes on your Duramax. 🇺🇸
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Photos from Max Flow Diesel's post 25/01/2022

New product alert!
The max-Flow resonator plug is now available at
this is made of billet 6061 aluminum with a laser etched Max-Flow logo on the front! Eliminate the possibility of your factory resonator cracking and letting in unfiltered air.

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Photos from Max Flow Diesel's post 17/12/2021

Max-Flow parts are 10% off at today only!
Upgrade to this high performance water pump for your LB7 or LLY today!

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15/11/2021

New Max-Flow Arctic radiator for in his slammed Silverado
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05/11/2021

Here’s one clean example of our High Performance water pump for 01-05 LB7 and LLY Duramaxs mocked up on this gorgeous built motor from 🥵
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Photos from Max Flow Diesel's post 05/10/2021

Max-Flow Duramax Oil Cooler Upgrade kit installed on an LBZ.
This oil cooler has 89% more surface area on the cooling stack than the original LBZ oil cooler had, resulting in lower oil temps.
We sell this as a complete bolt in kit that will work on a LB7, LLY, LBZ, LML and L5P Duramax.
*These do not work on LMM Trucks due to the coolant feed pipe that comes off of the factory cooler.
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Photos from Max Flow Diesel's post 08/09/2021

🔵NEW PRODUCT ALERT🔵
The 2017-2019 L5P Duramax trucks have a commonly known issue of the transmission line located behind the bumper can rub on the frame and can cause the line to leak. We have developed a quick and easy fix for this, our Delrin® bracket moves the transmission lines away from the frame to eliminate any chance of rubbing. We use a high quality Delrin® material for its inherent properties, with high stiffness, low friction & wear, fatigue resistance and temperature toughness it was an easy choice.
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Photos from Max Flow Diesel's post 07/06/2021

.white.lml wrapping and getting ready to install our 3” mandrel bent 304 stainless steel downpipe!

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Photos from Max Flow Diesel's post 19/05/2021

High performance oil coolers getting temp sensor adapters and ready to be boxed up into complete kits!
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Photos from Max Flow Diesel's post 30/03/2021

This is one wicked build from using our performance series manifolds and up pipes to feed those turbos!
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Photos from Max Flow Diesel's post 15/03/2021

This LML is getting our Max-Flow Performance manifold and up-pipe kit along with the Max-Flow 3” stainless steel downpipe.
The up pipes and down pipes are made of mandrel bent 304 stainless steel to prevent corrosion.
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Photos from Max Flow Diesel's post 13/03/2021

We have 3 different manifolds that we offer. Want to know the difference? DmaxStore posted an article explaining the difference between them all!
Find Forum Post Here: http://bit.ly/maxflowpost
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Videos (show all)

#Repost @diesel_burners ・・・Sound on🔊 Duramax lml with 5” @floproexhaust straight pipe. @maxflowdiesel manifolds, uppipes...

Opening Hours

Monday 08:00 - 17:00
Tuesday 08:00 - 17:00
Wednesday 08:00 - 17:00
Thursday 08:00 - 17:00
Friday 08:00 - 17:00
Saturday 08:00 - 13:00
Sunday 08:00 - 17:00