Good to see some all wheel drive Dynojet numbers for the new 2.5 TFSI. USP Motorsports got their 8V Audi RS3 on the dyno getting a baseline result, APR Stage 1 pump gas tune, and some APR Stage 2 E85 ethanol numbers. ...

Well, the TT-RS finally joins its RS3 sedan sibling in the 9's. As you recall APR was the first to get the 8V RS3 sedan into the 9's and now Iroz is the first to get the 8S third generation TT-RS into the 9's. ...

With the new Q8 being launched the question will be whether it will get the Audi Sport RS treatment. Chances are with how much money German manufacturers make on performance SUV's it is a good bet to happen. ...

The French Grand Prix was interesting mostly due to the carnage from the first lap. Mercedes-AMG qualified 1-2 with Hamilton in front but Bottas was clipped going into an early turn by Sebastian Vettel which essentially relegated both Bottas and Vettel to the back of the pack. ...

We are running out of superlatives for the 2.5 TFSI motor. We all know with a hybrid turbo the TT-RS or 8V RS3 sedan are capable of 9's. Well, how about a mid-10-second run at almost 135 miles per hour on the stock turbocharger? ...

It is amazing what a suspension drop, window tint, and new wheels can do to the looks of a car. You could say it definitely helped this B9 generation 2018 Audi S5. The new B9 A5 styling has received mixed reviews. ...

When pushing the limits this is part of the game. Additionally, regarding the 8S Audi RS3 and 8V TT-RS it is still early in the 2.5 TFSI tuning game so nobody really knows what the limit of the internals is. Iroz Motorsport may have inadvertently found it. ...

As you likely know Toyota won the 2018 24 Hours of Le Mans and Fernando Alonso was one of the drivers for the winning Toyota TS050 Hybrid. Toyota is going to celebrate the victory in style but just look at Fernando Alonso make his way through the field. ...

This is just getting absurd at this point. APR recently officially launched their 2.5 TFSI tuning software and as they usually do they supplemented their release with a load of data. As it turns out, APR's own claims are a bit conservative. ...

Well, Audi gets the luxury of entering the next gen mid-size luxury performance sedan battle last. That means they should top the W213 Mercedes-AMG E63 S and BMW F90 M5 which are the current top dogs. ...

AudiBoost previously covered HGP Tuning's B9 Audi RS4/RS5 EA839 2.9 liter twin turbo V6 upgrade package. They get 615 horsepower out of the motor which is impressive early on as few tuners offer anything for the new B9 RS4 or RS5 models. ...

APR is pleased to present the ultimate engine control unit (ECU) upgrade for the 2.5T EA855 EVO (Gen 2) engine! APR’s ECU Upgrades are the best dollar-per-horsepower modification one can make to the 2.5T 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 of the factory engine management system to take full advantage of the engine’s capabilities, without needing any end user adjustment. The software loads to the factory ECU through the OBD-II port, resulting in a clean and headache-free install. ...

APR sure is keeping us in suspense regarding their 2.5 TFSI software. We already know it works well as they have multiple cars in the 9's. This teaser dyno is on a stock Audi RS3 sedan with the only difference being the Stage 1 APR ECU tune. ...

No doubt avid BoostAddict readers saw that multiple Audi 8V RS3's are now in the 9's. Well, here is yet another RS3 hitting the strip although it is hitting the Fontana drag strip in Southern California. This is important to point out as Fontana is not where records are set. ...