Quote:
Originally Posted by csow
Ok so I've been thinking about doing this. The other day in an underground garage I fired the car, got out, melt down and pinched the pipe closed as if there was a zip tie to see if I could hear the flap and there be any difference.
I heard no difference at all. Does the hose have to be blocked while the engine is off?
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No you can do this with the engine on. Make sure you pinch it good. I just did this the other day and had to flex and wiggle my hose around to get it to pinch correctly. Its not a really noticeable difference in sound. I have PPK 1 and with this easy mod she really growls... but cant give you feedback on how it sounds without PPK 1.