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APR 3.0 TFSI Coolant Performance System (CPS)
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APR 3.0/4.0 TFSI Coolant Performance System (CPS)


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APR 3.0 TFSI Coolant Performance System (CPS)

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  • $999.99
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  • Shipping info

    We deliver worldwide: UPS, USPS, DHL - or pickup your order in Westlake, Ohio

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  • Return Policy

    We accept returns; please see the Returns and Refunds Page for more info.

  • Weight
    15 lbs
  • SKU
    MS100127

The APR Coolant Performance System (CPS) is a massive front-mounted cooler upgrade that dramatically reduces intake air temperature (IAT), minimizes heat soak, and provides increased performance! It is 140% larger than stock and features a self-bleeding cooling circuit to ensure it is always operating at peak performance. The system is easy to maintain and fully integrated into the factory cooling circuit. This upgrade is highly recommended at every stage!

 
 

Quick Facts:

  • Dramatically lowers intake air temp (IAT)
    Increases and retains HP while minimizing power-robbing heat soak!
  • Massive frontal surface area (core) and volume (radiator)
    29" x 05.5" x 2.1" – 159.5"² & 054"³ - OEM
     22" x 17.4" x 1.7" – 382.8"² & 130"³ - APR
  • Highly effective dual-pass core design
    Tightly packed external louvered fins rapidly dissipate heat as coolant flows through internal cooling paths.
  • Self-bleeding and self-optimizing system
    Air-bubbles trapped within the system kills performance! The self-bleeding system constantly removes air from the system, without any manual intervention!
  • Retains factory safety and control
    The ECU retains full control over the system, protecting against pump failure and coolant leaks.
  • Easy to install and maintain
    All the performance without the headaches. Each system is fully pressure tested after assembly.
 

System Overview

The 3.0 TFSI uses a liquid-to-air intercooling cooling circuit. A front mounted radiator is responsible for cooling hot coolant, while two heat exchangers within the supercharger are responsible for cooling the supercharged air before it enters the engine. 


 
 

cps.gif



The Problem:

The front mounted radiator is tiny. Air trapped within the system devastates the cooler’s effectiveness, while the sheer lack of surface area and coolant volume makes for a system incapable of keeping up with the cooling demands at higher performance levels. 

The APR Solution:

The APR Coolant Performance System replaces the front mounted radiator with a much larger and more capable dual-pass unit. It has 140% more frontal surface area and holds 141% more coolant than the factory unit. Tightly packed louvered fins rapidly dissipate heat over a much wider area than the factory unit.

Next, APR CPS incorporates a unique self-bleeding system into the cooler design. Keeping up with manual bleeding is messy, and all but impossible. However, the APR system continuously self-bleeds, increasing the coolers effectiveness automatically!

The result is simple: More horsepower over a much wider operating range!

 

Testing

APR’s engineers conducted a multitude of tests on the street, dyno, dragstrip and race track with thermocouples placed at the inlet and outlet of the radiator during the design phase. Data from these tests were used to choose the radiator design available today. With the radiator in its final production form, tests were conducted against the factory radiator to measure the effectiveness of each system.

Testing conducted on the dyno provided a semi controlled environment for back-to-back stress testing the two systems. Utilizing a B8 S4 3.0T at APR Stage II+ Ultra power levels, six back-to-back dyno pulls were conducted with minimal cooldown time between runs. APR’s ECU Explorer high resolution datalogging system was used for raw sensor data collection.

Using the APR Radiator, horsepower remained consistent for the first four back-to-back dyno pulls. By the fifth back-to-back pull, horsepower dropped slightly when the IAT protection threshold was crossed. The threshold is designed to bypass boost pressure to cool off the system and protect the engine. 

The OEM intercooler did not fare so well. Horsepower began derating on the first pull and the IAT threshold was crossed by the end of the first dyno pull. This trend continued dramatically, resulting in massive power losses to protect the engine from excessive intake air temperature. The factory cooling system simply did not stand a chance. Ultimately peak horsepower dropped to as low as 260 AWHP, whereas the APR cooling system retained over 400 AWHP, even after the sixth consecutive back-to-back pull!

Fitment

Make Model Year Engine
Audi S4 B8/B8.5 (2010-2016) 3.0 TFSI
Audi S5 B8.5 (2013-2017) 3.0 TFSI
Audi S6 C7 (2013-2018) 4.0T V8
Audi S7 C7 (2013-2018) 4.0T V8
  • Manufacturer
    APR
  • Add APR MS100136 Hardware Kit
    No, Yes
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Most parts are available for local pick-up with no shipping or handling charge. Please select the in-store pickup option during checkout. Once we receive your order you will be contacted to schedule your pick-up.

Once your order has been shipped, and if the method of shipping has been assigned a tracking number you will be notified of the number. Please note that carriers such as UPS may not update the tracking number status until late in the evening when the daily pickups have been recorded.

In the event your order arrives and an item is damaged, notify HS Tuning within 5 business days after receiving shipment. Make sure to not discard the box(s), packing materials or broken/damaged product(s). If this occasion arises, we require that you obtain a damage claim number from UPS by calling 1-800-742-5877. During the call you will need to supply them with the information from your shipping label. After obtaining a claim number, contact HS Tuning. If a part is missing from your order, you must contact HS Tuning by either by phone at 216-577-7171 or email at This e-mail address is being protected from spambots. You need JavaScript enabled to view it within 5 business days of receiving your shipment. After 5 business days have passed, HS Tuning will no longer be held responsible.

We accept the following payment methods:


Returns, Refunds, Warranty

Returns will not be accepted after 30 days of purchase, and a 15% restocking fee applies to all orders that are not a result of an error made by HS Tuning. Returns will be refused if the part is not:
- In the original packaging and undamaged.
- Product has not been installed.
- Complete with all parts, manuals and print material.

Please note the following parts are not returnable:
- Electrical components
- ECU Software
- Repairs Manuals
- Tools
- Wheels and Tires
- Hand fabricated and custom parts
- All parts identified as special order

Before any item is returned, HS Tuning requires an RMA (Return Merchandise Authorization) number for all returns. RMA numbers can be issued by phone at 216-577-7171 or email This e-mail address is being protected from spambots. You need JavaScript enabled to view it

HS Tuning
Attn: Returns Department
30205 Clemens Road Unit A
Westlake, OH 44145

Your RMA number must be visible on the outside of the packaging in order for your return to be processed properly.

Product Warranty:

HS Tuning offers only quality products to its customers. If your part fails due to defects in workmanship or materials within the first year of ownership, contact HS Tuning and provide us with a copy of your original invoice as proof of purchase. HS Tuning will not refund money, but will work with you to replace or warranty parts. Either HS Tuning or the product manufacturer will test or inspect the product before a warranty claim adjustment is finalized. Any product that fails due to misuse, neglect, unintended application or improper installation will not be covered under any warranty. HS Tuning is not liable for consequential and incidental damages and/or costs incurred of any kind, including those caused by products sold by HS Tuning.

In addition to the parts listed above that are non-returnable, HS Tuning cannot offer any full warranty coverage on wearable mechanical items and electrical components.

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