Billy Boat B&B BMW E60 535 TT 2006 - 2010 3.5'' Round Tips.
Precision crafted using 100% T-304 stainless steel and mandrel bending, this E60 535i TT exhaust system is manufactured as an easy replacement for the factory system. By utilizing the factory mounting locations this system requires a single cut of the factory system and a supplied clamp for installation. The BMW E60 535TT system incorporates the latest in resonance control technology, B&B’s proprietary Purge Resonance Technology or PRT as it is known. Completely reengineered the PRT system allows you to have a mild exhaust note at cruising speeds yet a forceful note on aggressive driving. The complex yet simple design gives you the increased sound and performance you are looking for with its straight through design on moderate to hard acceleration and then the unique purge chambers cancel out the unwanted interior noise during low rpm cruising speeds. The development team here at Billy Boat Performance Exhaust did extensive testing on the system for the BMW E60 535TT and looked at the both 3.0" and 3.5" for the exhaust. We found the best performance and best turbo spool-up to be with the 3.5” which is slightly larger than the factory system. This allows us maintain the low restriction muffler for quick acceleration, while gradually increasing the exhaust velocity throughout the system for greater horsepower and torque. These results have been confirmed by the chassis dyno and by our customers. The use of our PRT muffler design keeps the tone aggressive yet unobtrusive. B&B’s twin 3.5” round double wall tips gives the car a bold, distinctive look. No engine management sensors are moved or altered therefore this system is 50 state emissions legal and is backed with their limited LIFETIME warranty.
Applications: - 2006 - 2010 BMW 5 (E12 E28 E34 E39 E60 E61 F10 F11)
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