I just recently installed my Helix pipes a week ago, but just barely got around to typing this. I keep hearing this fluttering sound when I am at WOT. I only heard the sound after I put on my Helix pipes. Do you guys have any idea what this might be? Could it be that it is an after-effect of more efficient flow from the pipes? Any info about this is greatly appreciated.

 

the fluttering noise usually from the bov. Please make sure you have the factory bov installed correctly.. if the bov is installed incorrectly, you will hear fluttering noise.

Thanks

Cal

 

Cool, I'll check that out (although all I did was disconnect the old IC pipe and connect the new one, I didn't do anything to the BOV).