B58 4.5" CATLESS DOWNPIPE

B58 4.5” Catless Downpipe

Unlock the true performance of your BMW B58 or Toyota Supra B58 engine with the 4.5” Catless Downpipe. Designed to eliminate the restrictive backpressure from the factory catalytic converters, this upgrade enables faster turbo spool for maximum airflow, power, and sound. With gains of up to 30HP on a tuned stock turbo and even more with upgraded setups, this downpipe transforms your driving experience. In addition to improved performance, it delivers a bold, aggressive exhaust tone for a thrilling sound profile.

Key Features:

Maximum Performance Gains

• Boost power by up to 30HP with a tuned stock turbo, and achieve even greater increases with upgraded turbo setups.
• Faster turbo spool improves throttle response and overall engine efficiency.

Optimized Airflow Design

• Smooth, unrestricted bends eliminate backpressure while preventing drone for a clean, refined exhaust note.

Spot-On Fitment

• Engineered for precise compatibility with both right-hand drive (RHD) and left-hand drive (LHD) vehicles, ensuring a hassle-free installation.

Aggressive Exhaust Note

• Produces a deeper, more resonant exhaust tone, enhancing the auditory experience of your B58-powered car.

Durable and Reliable Construction

• Built to withstand the rigors of high-performance driving, ensuring long-lasting reliability and peak functionality.

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.