Unleash the Full Potential of Your S4! 🔥 Your B9 S4 is already an incredible machine—sharp, refined, and packing serious turbocharged power. But let’s be honest, the stock exhaust? It’s holding you back. Whether this is your first mod or the final piece to complete your build, an AWE exhaust transforms your S4 into what it was truly meant to be. If this is your first mod… There’s no better way to kickstart your build. The AWE Touring or Track exhaust wakes up your 3.0T with a deep, aggressive tone while adding real performance gains. More sound, more character, more smiles per gallon—without the dreaded drone. It’s the perfect way to fall in love with your car all over again. But on the other hand, if this is your final mod… You’ve dialed in the tune, the intake, and maybe even the suspension. But something’s missing. The exhaust is the last step to bringing everything together—letting your S4 breathe, sound like a true performance car, and turn heads wherever you go. No matter wh...