Get ready to jazz up your ride with the Audi B9 S4, a true customization superstar! Right out of the box, this speedster dazzles with its zippy performance, head-turning looks, and plenty of room for all your stuff and squad. Looking to amp up your daily drive or morph your Audi B9 S4 into a turbocharged track titan? UroTuning's got all the gear and wisdom you need to supercharge your journey to the pinnacle of vehicular awesomeness.

MOD #1

Ready to take your Audi B9 S4 from "wow" to "WOWZA"? Let's talk about cranking up the fun factor with some smarty-pants upgrades that won't break the bank. First off, let’s dive under the hood with a slick engine tune. Picture this: tweaking the brain of your Audi - yes, the engine control unit (ECU) - to unleash more vroom-vroom. We’re talking about adjusting the nitty-gritty, like boost levels, fuel strategies, and that sparky ignition timing, to squeeze out every bit of power. This isn’t just any upgrade; it's like feeding your car a spinach smoothie - instant muscles, with the most bang for your buck in the horsepower department!

Got an automatic or a fancy Dual Clutch gearbox? Oh, you're in for a treat! A Transmission Control Unit (TCU) tune is like giving your transmission a PhD in performance. Expect snappier shifts, higher RPMs without breaking a sweat, and launch control that'll make you feel like you're blasting off. It's all about making your S4 smoother, faster, and way more fun to drive.

And where do you find these magical performance potions? Stick with the top guns in the tuning world - those brands that have been turning everyday rides into legends on the road. They’re the wizards you want tweaking your Audi B9 S4, turning it into a street-slaying, rubber-burning masterpiece. Let's get tuning!

MOD #2

For your Audi B8 A4, consider your engine as a sophisticated air pump—the greater the volume of air it circulates, the more power it generates! The factory-default intake system is deliberately constrained to minimize noise and to enhance low-end torque. However, by switching to a performance-oriented cold air intake, you can significantly increase the amount of cold air your engine draws in. This modification not only improves throttle response and enriches the engine sound but also contributes additional horsepower to your enhanced Audi B8 A4 2.0T.

MOD #3

Give your Audi B9 S4's exhaust a breath of fresh air and let its engine sing! Upgrading your exhaust system isn't just about unleashing the beast within; it's about giving those exhaust gases a high-speed exit route off the stage, making room for your engine to take a deep breath and belt out more horsepower. And let's not forget the symphony of sounds—a performance exhaust doesn't just boost your car's performance; it turns it into a roaring concert on wheels. So, why stick with the old tunes when you can upgrade your B9 S4's exhaust system and turn every drive into a thrilling performance?

MOD #4

If you're eager to boost the performance of your modded Audi B8 A4, consider upgrading your downpipe. This straightforward modification is a significant step toward enhancing your engine's horsepower. By minimizing restriction and optimizing airflow immediately following the turbo, you'll see substantial power improvements over the standard factory downpipe. Besides the notable increase in power, an upgraded downpipe will also enrich the sound of your vehicle. It’s definitely a double advantage!

MOD #5

To achieve that lowered stance, there are three options among the best Audi B9 S4 mods for suspension systems on the market today: lowering springs, coilovers, or an Air Ride System.

1. Lowering Springs

Lowering springs are generally going to give you a more subtle drop. With springs, no adjustments can be made (unless you go with some Adjustable Lowering Springs).

2. Coilovers

If you want to dial it in or adjust it fully just how you want, then adjustable Coilovers may be the best fit for you.

3. Air Ride System

Want to lay frame at the show but also want to be able to get over speed bumps without problems? Then go all in on a complete Air Ride System. Full-ride height adjustability at the press of a button! Your budget will ultimately decide which path you take, but lowering is among the best mods for the B9 Audi S4!

MOD #6

Wheels can change the entire look of your car in an instant. At UroTuning, we firmly believe in getting new wheels after you lower your car. It’s practically an unwritten law!

Upgrading your Audi S4 wheels gives you that curb appeal and the extra detail that proves you aren’t just another stock car on the road. Many options and price points for B9 Audi S4 wheels are available, so choose wisely.

MOD #7

When tricking out your Audi B9 S4, you might first think, "Let's crank up the ponies!" But hey, let's not forget about bringing that beast to a halt, too. Those factory brakes? They're okay for the daily grind, but you're not here for "okay," are you? Dive into our treasure chest of Audi B9 S4 enhancements, and you'll discover some real gems.

UroTuning is waving the flag for top-notch Ceramic Brake Pads to start with. These bad boys cut down on brake dust and cling to the road like a superhero, giving you that sweet, sweet stopping power. Want to shave off a few more precious milliseconds from your stopping time? Eye up the slotted or drilled brake rotors. And for the adrenaline junkies looking to turn their Audi B9 S4 into a bona fide stop-on-a-dime machine, a Big Brake kit will not only give you the stopping power of the gods but also make your ride look as sharp as a tack.