Blog Alex's Autohaus

APR 2.9T ECU Upgrade for the Audi B9 RS5

APR is pleased to present the ultimate engine control unit (ECU) upgrade for the 2.9T EA839 engine! APR’s ECU Upgrades are the best dollar-per-horsepower modification one can make to the 2.9T engine. The upgrades dramatically increase horsepower and torque, making for an exceptionally quicker and more exciting vehicle. This is made possible through APR’s optimization […]

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How Does Audi Quattro Work?

You just picked up an Audi with quattro and you might be asking yourself what is Audi quattro and how does Audi quattro work?  Well you are in luck!  We are going to go over not just what quattro is, but also the different type of systems that Audi has used over the years. What […]

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APR DQ500 DSG / S Tronic Transmission Catch Can and Breather System

The ultimate DQ500 DSG / S Tronic transmission catch can and breather system is here! The factory transmission features a plastic breather system that allows for transmission fluid expansion and removal of gases. Unfortunately, this system easily becomes taxed, causing transmission fluid to spew all over the engine bay. The APR system fixes this problem […]

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APR Year End Sale!

The APR Year End Sale is here! For the rest of 2019 take 10% off nearly all of our products. Software is also 10% or $100 off, whichever is greater, on most items ($100 off excludes upgrades/options). Visit our product pages for official pricing and GO APR! When you are ready for the best performance […]

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APR DQ500 7-Speed DSG and S Tronic TCU Upgrade

Alex’s Autohaus and APR is pleased to present the ultimate Transmission Control Unit (TCU) Upgrade for the DQ500 7-Speed DSG / S-Tronic Transmission! This will fit the new Gen 3 RS3 and TTRS. APR’s TCU Upgrade dramatically improves upon the DQ500 transmission’s function, drivability, and performance through a myriad of enhancement and custom features. Normal […]

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How Do I Tell if I Have Carbon Build Up in my Engine?

If you are not sure what carbon build up is then you should go read this article first.  It is a big issue on the directed engines that are so prevalent now, and cleaning of this carbon needs to be considered as part of your normal vehicle maintenance routine. The advantages of a carbon clean, […]

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APR ECU Upgrade for the Audi 3.0 TFSI Gen 2

APR and Alex’s Autohaus are pleased to present the ultimate engine control unit (ECU) upgrade for the 3.0 TFSI! APR’s ECU Upgrades are now available for the Audi Q7 (4M)! Power and torque grow substantially with APR’s ECU Upgrades. First up is APR Plus, which offers a factory term limit matching limited powertrain warranty and […]

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APR DQ381 7-Speed DSG and S Tronic TCU Upgrade

APR is pleased to present the ultimate Transmission Control Unit (TCU) Upgrade for the DQ381 7-Speed DSG / S-Tronic Transmission! APR’s TCU Upgrade dramatically improves upon the DQ381 transmission’s function, drivability, and performance through a myriad of enhancement and custom features. Normal daily driving is smoother as we’ve improved upon the normal quirks and complaints […]

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APR 2.5 TFSI EVO Turbocharger Inlet and Intake System

The APR Turbocharger Inlet System outflows the factory components by up to 45%, and jumps to 60% when adding the APR Intake Filter. This is firstly achieved through elimination of the most critical restriction in the entire intake system, the turbocharger inlet pipe. Because of this restriction, no intake airbox / filter design can physically […]

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Version 2.5 Now Available for the 2.0 TSI as Found in the MK6 GTI and Similar Vehicles

We are pleased to announce an update for the MK6 GTI 2.0 TSI and similar platform vehicles. This update addresses user feedback on DSG shift quality and a low RPM boost oscillation. The update is available at Alex’s Autohaus today, and is available as version 2.5 for Stage 1, Stage 1+ and Stage 2 ECU […]

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Nationwide Warranty 3 year, 36,000 mile

Alex’s Autohaus offers all customers the Bosch and Tech-Net Peace of Mind Nationwide Warranty. The 36 month/36,000 mile warranty is honored at over 10,000 service centers across the country. Our 36,000 mile warranty is the best in the business!

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