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and a clean performance finish
Turning the knob clockwise will stiffen the spring for higher levels of boost retention
ECU tuning required for proper operation and performance
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The integrated heat shield helps manage engine bay temperatures and protects surrounding components during high‑performance driving
Titanium Valved Catback Exhaust System for BMW M5 F90 4.4T CM045 and a clean performance finishUpgrade your BMW M5 F90 with the STRATEC Lightweight Titanium Catback Exhaust System, engineered to deliver maximum performance, weight reduction, and a refined yet aggressive exhaust tone. Constructed from high grade titanium, this system significantly reduces weight compared to factory exhaust setups while improving exhaust flow and efficiency. The result is enhanced throttle response, horsepower potential, and overall driving dynamics. Equipped