🔥 CTS Turbo High-Flow Race Cats – BMW F97/F98 X3M & X4M (S58 Engine)

Unleash the true sound and performance of your BMW X3M or X4M with the CTS Turbo High-Flow Catalytic Converters (Race Cats). Designed specifically for the S58 3.0L Twin Turbo platform, these 200-cell high-flow catssignificantly reduce backpressure and restrictions, unlocking horsepower, torque, and sound without compromise.

💨 Built for Maximum Flow & Real-World Performance

Engineered using cutting-edge CAD technology and tested on real vehicles—not just simulations—CTS Turbo’s High-Flow Cats deliver both precision fitment and proven power gains. Whether you’re running the factory exhaust or an aftermarket system, these downpipes elevate your driving experience.

• ✅ 200-cell high-flow catalytic converters (race-grade)

• ✅ Designed for peak power and turbo efficiency

• ✅ Retains drivability while increasing airflow and response

• ✅ Ideal for use with Stage 2+ tuning platforms

🔊 Aggressive Sound That Matches the Performance

With these high-flow cats, your F97 X3M or F98 X4M will finally sound as aggressive as it drives:

• 💥 Deeper, throatier growl under acceleration

• 🎵 Enhanced crackles and burbles on downshifts

• ⚡ Crisp, punchy upshifts through all 8 gears

• 🚫 Zero drone when used with factory exhaust

Want even more sound? Pair them with an aftermarket cat-back system for a race-inspired tone.

⚙️ Premium Construction That Lasts

Built with motorsport-grade materials, CTS Turbo ensures these high-flow catalytic converters can withstand the rigors of spirited driving and track use.

• 🧱 Cast T304 stainless steel construction

• 🔩 TIG welded and back-purged for maximum strength and weld quality

• 🧰 Direct bolt-on installation – no cutting or fabrication required

📦 Fitment Guide:

⚠️ Note: A Stage 2 tune is required to prevent a Check Engine Light (CEL) due to increased exhaust flow.

🏁 The Ultimate S58 Exhaust Upgrade

For BMW X3M/X4M owners looking to add horsepower, sound, and a race-ready feel, the CTS Turbo High-Flow Cats deliver unmatched quality and value. Whether you’re carving canyon roads or hitting the autobahn, these race cats ensure your M-powered SAV or SAC performs and sounds like a true M machine.

🛒 Order now and give your BMW the performance voice it deserves.