taffyjason Posted April 8, 2012 Posted April 8, 2012 Just had these two fitted, sounds great as ive said before, but ive noticed when you come off the throttle there is a kind of 'whooshing' noise from the underside, its best described as sounding like a small dump valve.. IS this a feature of these new parts? Quote
Will370z Posted April 8, 2012 Posted April 8, 2012 It's perfectly normally, look at any vids including my recent one and you can see you get that rasp with the high flow cats. Some don't like it, I love it. Quote
taffyjason Posted April 8, 2012 Author Posted April 8, 2012 well its not the rasp , i get that at high revs, this 'whoosh' can happen at any any part of the rev range, soon as you take the foot off the gas...is this the thing you're on about? i dont think its a bad sound, just worried there was gas escaping! cheers Quote
RisingPower Posted April 16, 2012 Posted April 16, 2012 well its not the rasp , i get that at high revs, this 'whoosh' can happen at any any part of the rev range, soon as you take the foot off the gas...is this the thing you're on about? i dont think its a bad sound, just worried there was gas escaping! cheers Yes, it's normal. More like a sucking sound. Quote
taffyjason Posted April 16, 2012 Author Posted April 16, 2012 yes thats it, sucking sound! not a bad thing i just was worried id had a crack or something! Quote
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