B58 4.5” Catless Downpipe
Pairs well with
B58 4.5” Catless Downpipe
Unleash the full potential of your BMW B58 engine or Toyota Supra B58 with the 4.5” Catless Downpipe. Engineered to eliminate the restrictive backpressure caused by the stock catalytic converters, this downpipe allows your turbo to spool faster, providing maximum airflow, power, and sound. Expect a dramatic improvement in performance with up to 30HP gains on a tuned stock turbo, and even more on upgraded turbo setups. This upgrade not only enhances power but also delivers a deeper, more aggressive exhaust tone for an improved driving experience.
Key Features
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Maximum Performance Gains
- Achieve up to 30HP gains with a tune on stock turbos and even greater power on upgraded turbo systems.
- Faster turbo spool ensures improved throttle response and optimized performance.
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Optimized Airflow Design
- Features smooth bends for unrestricted airflow, eliminating backpressure while avoiding drone for a clean sound.
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Spot-On Fitment
- Designed for perfect compatibility with both right-hand drive (RHD) and left-hand drive (LHD) vehicles.
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Aggressive Exhaust Note
- Provides a bolder, deeper exhaust tone, enhancing the sound profile of your B58-powered car.
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Durable and Reliable Construction
- Built to handle high-performance demands with precision fitment for a hassle-free installation.
Fitment
Generation 1 (Gen 1):
- BMW 340i, 240i, 440i and other models equipped with the Gen 1 B58 engine.
Generation 2 (Gen 2):
- Toyota GR Supra (A90/A91).
- BMW M340i, M240i, and other models with the Gen 2 B58 engine.
B58 4.5” Catless Downpipe
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About Us
Cen-Cal Motorsport isn’t just a parts shop—it’s a lifestyle for BMW enthusiasts who crave performance, precision, and style. We’re all about taking your BMW to the next level with premium parts that bring out the beast under the hood while keeping its luxury vibes on point.
Your BMW isn’t just a car—it’s an experience. Whether you're upgrading for speed, handling, or simply flexing on the road, we’ve got the gear to match your passion.
Why settle for stock? Explore our lineup and see how real quality transforms the drive. Got questions? Hit us up anytime—your ride deserves nothing but the best.