Increase the sound quality along with top end performance on your RS4 Got a couple hours in your afternoon or Saturday? Here is a great way to increase the sound quality of your RS4 along with increasing top end performance. ECS RS4 H-Pipe eliminates your factory center resonator with a H-pipe that really enhances the sound quality of your RS4 without any sacrifice in interior cabin drone. Dyno charts have also shown a increase of 3-5hp between 6-8000 rpm. Installing this ECS H-pipe still allows use of the factory flapper valves in the rear mufflers. With the ECS H-pipe installed the difference between the flapper valves being open or closed is much more dramatic that with the stock exhaust system.
Increase the sound quality along with top end performance on your RS4 Got a couple hours in your afternoon or Saturday? Here is a great way to increase the sound quality of your RS4 along with increasing top end performance. ECS RS4 H-Pipe eliminates your factory center resonator with a H-pipe that really enhances the sound quality of your RS4 without any sacrifice in interior cabin drone. Dyno charts have also shown a increase of 3-5hp between 6-8000 rpm. Installing this ECS H-pipe still allows use of the factory flapper valves in the rear mufflers. With the ECS H-pipe installed the difference between the flapper valves being open or closed is much more dramatic that with the stock exhaust system. Quite simply this is a fantastic way of increasing sound quality of your RS4 without having to go through the large expense of replacing the whole “cat” back system. This upgrade is a simple bolt on modification. Simply cut the center resonator out (between the center resonator & the rear mufflers) & install the ECS H-pipe using the factory sleeve clamps & two supplied clamps. Limited lifetime warranty to the original purchaser.
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