MagnaFlow 2005-2009 Ford Mustang Race Series Axle-Back Performance Exhaust System 2006-2011-Honda-Civic-Si We also include an OEM-style

We also include an OEM-style O-ring to prevent any leaks

Direct Plug-and-Play Design

For K-Swap applications they run outside the car so no RSX grommet is neccesary

These caps also fit all of Honda's newest generation valve covers including the 2016+ K20C & turbo L-Series engines

2-Year Limited Warranty

MagnaFlow 2005-2009 Ford Mustang Race Series Axle-Back Performance Exhaust System 2006-2011-Honda-Civic-Si We also include an OEM-styleThe MagnaFlow 2005 2009 Ford Mustang Race Series Axle Back Performance Exhaust System 16843 doesn't leave any performance on the table with a race ready, light weight, dyno proven design ready to help your 4. 6L, 5. 4L 2005 2009 Ford Mustang take on any pretenders, whether on the track or the street. Exhaust kit 16843 is engineered to produce our powerful, resonant signature exhaust note at VeryAggressive exterior and Aggressive interior sound levels