SKU: 68969568992

AMS Alpha Performance Cooler System | Audi S4 B8

Sale price$1159.07 Regular price$1287.85
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Description

AMS Alpha Performance Cooler System | Audi S4 B8The Alpha Performance Audi B8 (B8. 5 coming soon) Supercharger Cooler System is a great addition to your S4 whether your car is stock or modified. The Alpha Performance Audi B8 Supercharger Cooler System is a great addition to your S4 whether your car is stock or modified. The system features a large, high efficiency heat exchanger located at the front of the car, an additional reservoir that holds over a gallon of coolant and a high flow pump which

The Alpha Performance Audi B8 (B8.5 coming soon) Supercharger Cooler System is a great addition to your S4 whether your car is stock or modified.

The Alpha Performance Audi B8 Supercharger Cooler System is a great addition to your S4 whether your car is stock or modified. The system features a large, high efficiency heat exchanger located at the front of the car, an additional reservoir that holds over a gallon of coolant and a high flow pump which runs complementary to the factory pump. Whether you live in a warm region of the world, enjoy long spirited drives in the mountains or run long sessions at your local track day, the S4 Boost Cooler will keep your intake temps low, maintaining your 3.0 TFSI supercharged engines maximum output.

As with all Alpha Products, everything needed to install the system is included – bolts, fittings, lines etc. Best of all, no drilling or modifications to the car are required, it’s a 100% bolt in affair.

The ‘Core’ of the System

The most important part of an efficient heat exchanger system is the core, skimping here could mean the overall performance of an ‘upgraded’ system might be worse than stock! The OEM unit is a single pass design with a core area of 156in^2. Our Alpha core is a high quality, triple pass unit where the coolant makes three passes through the heat exchanger vs competing cooling kits which use a single pass design. The core is made in the UK with a fin area of 417in^2, almost three times the surface area of the stock core! For added durability the fins are hemmed for strength, able to withstand abuse from road debris.



Increased Coolant Capacity, Decreased Heat Soak

The hand fabricated Alpha coolant reservoir acts as a large heat sink to keep coolant temperatures low and stable. With over a gallon more coolant on board, it increases the cycle time of the coolant in your S4 allowing it to dissipate more heat before being recirculated, working as a large thermal reservoir, keeping the horsepower-killing heat soak at bay.

Pumping Up the Power!

To give you the best possible performance and keep the coolant flowing efficiently through the larger Alpha heat exchanger, we added an additional high flow brushless pump to run in conjunction with the OEM brushless pump. The combination of the two pumps allow a very high flow rate to keep the fluid moving and maintains that flow rate at higher pressures giving you the assurance your car will stay cool in hot climates, extended track sessions or everyday driving. See graph below for pump data.



The Devil is in the Details:

To provide your S4 with the best cooling system on the market we thoroughly tested multiple variations of the Alpha Supercharger Cooler System. We tested divorced and non-divorced systems finding that divorcing the system showed no real gains, only added complexity. We found the stock pump stops flowing at 8psi so we added an additional brushless pump to support running higher pressure and maintain flow. Data log after data log was recorded and the results analyzed until our engineers were completely satisfied.

All testing/logging was performed on our Dynojet dynamometer doing 1st through 5th gear pulls with conditions and ambient air temps equal.

Post Intercooler Air Temperature:

This graph shows the difference between stock VS Alpha air temperatures after the air has passed through the intercooler, cooler air means more horsepower!

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Post Intercooler Coolant Temperature:

This graph shows the difference in coolant temperature between the stock system and the Alpha Supercharger Cooler kit after the coolant has passed through the intercooler to cool the air charge. Lower temps mean the car can maintain maximum output!

Pre Intercooler Coolant Temperature:

This graph shows the ability of the Alpha system to pull more heat out of the cooling system. Notice how the water temps stay more consistent with the Alpha Cooler. If the heat rejection was the same between the stock and Alpha system, the lines would trend the same.



Heat Rejection of Air:

This graph shows heat rejection of OEM versus Alpha Performance system. Heat rejection is a perfect indicator of how the system performs because the starting temperature does not affect the data. The Alpha system has significantly greater heat rejection throughout the run and rejects more heat on deceleration allowing for quicker cool down time.


System Includes:


  • High Quality Triple Pass Heat Exchanger
  • Hand Fabricated Reservoir
  • Brushless Coolant Pump
  • 4 ply Heavy Duty Silicone
  • Brushless Pump Plug-in Jumper Harness
  • All Hardware Needed for Install

Exclusive Benefits:


  • Much Better Heat Rejection vs Stock
  • No Loss of Horsepower from Heatsoak
  • Car Runs Cooler all the Time
  • Cooler Intake Temps
  • Increased Efficiency of the OEM Intercooler
  • No Drilling or Modification to the car Required – 100% bolt on!

Product Notes:


  • NOT compatible with S4 or S5’s equipped with Audi Dynamic Steering

Kit Instructions


  • Alpha Performance Audi S4 B8 Supercharger Cooler System Install Instructions can be downloaded here.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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
SKU: 68969568992

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4.1 ★★★★★
Based on 1643 reviews
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Product Reviews
J
Verified Purchase
J
New York, US
★★★★★ 1
This toy will not hold up
Size: Dog Rope Toy - M
I bought this for my heavy chewer. The plastic pieces lasted about 15 minutes. She is an Italian Mastiff, but she is only 7 months old. I expected more from a toy that was rated as 'tough'.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
B
Verified Purchase
Brad
Carnegie, US
★★★★★ 5
Best and toughest dog toy on the market 4 all breeds and sized dogs
Size: Large, Size: Large
Now i know this doesnt appear to be good based off the photos but hear me out. My pitbull (and any pitbull owner will most likley know the same struggle with chew toys) is an extrememly tough ans agressive chewer! Every toy i would purchase for him from rubber ones to rope ones, enormous raw hides, oversized balls thinking it would be hard for him to bite believing that would increase its life, it did not. None of the toys lasted for more than a few HOURS!!! And that was when he was being easy with them! I was on the line of stopping biying him toys and letting him just chew sticks, but then one day in a coversation with my plumber and familt friend he mentioned trying kong brand dog toys. I didnt have anything to lose besides more money and an hour of entertainment for my dog so i decided to try them. I bought 3 different kong brand toys. A tug of war one that was rope with kong rubber grip handled ends, a weird ball like toy that was able to add peanut butter in a small hole and this toy. Amazed the tug of war toy(handles only) even though fairly thin lasted over 3 days!! And thats huuuuge for him with toys. Then the little peanut butter ball thing lasted about a week! I was sold. But then he finally got to try this ball with tug of war handles that contains a tennis ball when it finally is destroyed as a bonus toy and it even squeeks and the swueeker was even guarded by the rubber so it wasnt crushed immediatley! Now afyer seeing the picture of said ball it is destroyed now but it lasted many tug of wars with him and him gnawinf on it for hours every day. The kicker is i bought it roughly around september 16th, it is now JANUARY 21st!!!!! The ball has now lasted him approximately 4months 5days! Thats an insane increse of chew life for any pitbull especially mine. And it ximes in 2 sizes. The large is a little bigger than a large cantelope or slightly smaller than a basketball. And they have a smaller version for small breed heavy chewers!! I couldnt be more pleased with this purchase and will definatley be ordering 3 more ASAP considering his prob only has another week or 2 left. The only negatives are 1, when they do chew off the handles tou cant play tug of war any more and 2 that when they finally get into the main cavity where they can actually start chewing off little bits of it they emd up all over the place, bunchesmof little rubber nubs but its easy to clean. So if you have an extremely heavy chewer as i do and are looking for a toy that is worth the money and will last your dog a good time and that they will love(my dogs fav toy hes ever had) and u want it to squeek and have a bonus toy inside of it to hold them over til the next one arrives when they ruin it, then trust me! BUY KONG CHEW TOYS. specifically THIS TOY!! Best dog brand and toy on the market. Ajd its safe and if im not mistaken harmful chemical and bpa free so ur pups can chew safely. And it cleans their teeth as a bonus because of the tough rubber!! Its so worth it. only recommendation. Buy atleast 1 large 1 and one small one if u have a medium-large dog. If their small then probably only the small one or any other kong toy. If they're light chewers u probably will mever have to buy another chew toy again! Its that good and strong yet still flexible enough to squeek it!! Hope this review helps you and encourages u to buy this toy and brand over any other!!!
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Reviewed in the United States on January 21, 2021
P
Verified Purchase
Paul B.
Belleville, US
★★★★★ 5
Purrrfect for a Pitbull or Am Staff Terrier
Size: Large, Size: Large
Large size Dog: Am Staff about 50-55 lbs She ruin all her toys in less than 3-5 minutes except this one. Again, we use this toys with guidance and support. Cons: Definitely built to last but must not be left unattended because we all know what our pitbull and Am Staff is capable of doing with their teeth. It has many feature, squeaky sections the sensory of the ball inside, weighted, and puncture proof, top and bottom option to carry this dog during a fetch game. Easy to clean. Cons: if left unattended this is not a chewing proof toy for 6-8 hours. That is not what is made for. This is an engagement toy you have to do with your fur friend.
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Reviewed in the United States on May 6, 2026
A
Verified Purchase
Amazon Customer
Lexington, US
★★★★★ 5
Entertaining and durable
Size: Large
Great toy and quality. My dog that was a bit of a ruffian with his toys loved this toy. It lasted through his wild days so I bought my current baby one. Unfortunately she hates it. She wants the ball trapped inside but hates the sound of the outer and won't go near it or even let it touch her. Granted she is a bit...eccentric. All larger dogs I have ever seen with one love it. It is very durable. Really serious chewers may need supervision but average big chewers should be fine.
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Reviewed in the United States on April 29, 2026
K
Verified Purchase
Keith bulldog wilson
Battle Creek, US
★★★★★ 5
It is surviving a Mal Pitty and Shepherd
Size: Large
Two handles for them to carry with. Squeaky toy that my shepherd Mal or Pitty hasn’t gotten out so far after five weeks. Plays with it constantly. Starting to see small chunks come out but longest lasting most played with toy they’ve ever had.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026

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