I have the poly transmission mount and z1 solid aluminum motor mounts and there is little to no vibration increase which bothers some, but you have a race car lol. You will notice an increase in noise because the suspension becomes more ridged. You will also notice an immediate increase in acceleration as there is no engine twist.
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Fast Intentions TT Installed and Tuned by Seb at SpecialtyZ 610whp 560tq:|Fast Intentions 3" TT-TDX|SpecialtyZ/Fast Intentions 72 Row Oil Cooler|SZ 6 Puck Clutch & Flywheel|3GsCustoms|Z1|Wavetrac|Hotchkis|Whiteline |Blitz|Fortune Auto 500|Fujimura|SPL|H&R|TK|TWM|RPM Rollbar|Sparco|Next Level Performance|TrackSpec|AeroFlow Dynamics|Pioneer|
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