Clutch Masters 04-05 Audi S4 4.2L B6 FX400 8-Puck Clutch Kit - 450ft/lbs Torque 2005-audi-s4-base-esi1474673 Replace the Polyphonic Harmonizer behind

Replace the Polyphonic Harmonizer behind the muffler in the ATAK(r) system with muffler 60679 to attain the "S-Type" sound level (quieter than ATAK(r))

With a higher level of efficiency

Will work with most factory sensors (500 - 500

Provision for driving lights

7L DOHC 2004-10 Main Bearing Set

Clutch Masters 04-05 Audi S4 4.2L B6 FX400 8-Puck Clutch Kit - 450ft/lbs Torque 2005-audi-s4-base-esi1474673 Replace the Polyphonic Harmonizer behind170% Increase in Holding Capacity RACE STREETThe FX400 System uses the Power Plus I, Hi Levarage, Heavy Duty Pressure Plate with a custom and extremely durable, Sprung Ceramic disc. This is the ultimate extreme duty street and or road drag racing system. It is available in a 6 or 8 ceramic puck configuration. The 6 puck being the more aggressive setup and 8 puck being the less aggressive. The sprung hub design allows for moderate dampening in high