Gravity Exhaust Systems are designed and manufactured to enhance the sound, appearance and most importantly, the performance of your vehicle. All systems are designed in house using the OEM mounting points to ensure smooth fitment every time. ---3" - 2x 2.25" bore with twin 2.5" tailpipes ---Free flowing system to get the most from the 6 cylinder N52 Engine ---Twin 2.5" Polished tailpipes to fit the OEM rear valance ---Manufactured from Mandrel bent T304 grade stainless steel ---Engineered to improve throttle response and increased power and torque across the entire RPM range Fitment ---BMW Z4 E85 E86 2.5 / 3.0 N52 engine 2004-2008 facelift models.
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