SiriusProjects Posted January 4, 2019 Posted January 4, 2019 Hi All, Does anyone with Resonated Short Tails on their 370Z experience more vibration and rattling from the rear? Before I had the short tails fitted, there was a vibration/rattle coming from the back of the car and I'm assuming that because the exhaust resonates, this is what is amplifying the effect. Am curious to know if anyone else has experienced the same thing. As a side question, what could have been causing the original rattle/vibration? Thanks. Quote
Wheels 370z Posted January 5, 2019 Posted January 5, 2019 Yep, I've experienced the same problem at certain revs as well. I've stripped the boot space out and lined it with noise dampening material (Halfords) - this helped a little. I've also placed small packers between the joints on the plastic trim around the boot space which seems to have it pretty much sorted now. Still some vibration at high revs but unsure if I'll ever get it 100% resolved. Quote
nissanman312 Posted January 5, 2019 Posted January 5, 2019 The 370 dose not have the best acoustics as it is you hear a lot of tyre roar and road noise . Makes me wonder if that's why Nissan put such a quiet exhaust on Quote
SiriusProjects Posted January 5, 2019 Author Posted January 5, 2019 Thanks for the replies. At least it's not just me experiencing it then. It's not become an annoyance yet, so I can live with it. Quote
davey_83 Posted January 5, 2019 Posted January 5, 2019 A rattle/vibration shouldn't be related to a conventional exhaust surely...... Quote
SiriusProjects Posted January 8, 2019 Author Posted January 8, 2019 On 05/01/2019 at 19:24, davey_83 said: A rattle/vibration shouldn't be related to a conventional exhaust surely...... The vibration/rattle was there before the short tails were put on. I'm pretty sure it wasn't coming from the exhaust, but the resonated short tails have made whatever is vibrating/rattling more pronounced. Quote
14N Posted January 9, 2019 Posted January 9, 2019 Mine REALLY resonates between 3-4k RPM (with resonated short tails). Outside of this rev range it glorious. Quote
SiriusProjects Posted January 24, 2019 Author Posted January 24, 2019 Just thought I would post an update. Today I removed the boot mat and the other cover which is underneath it and then laid an old bed sheet down in the boot, tucking it under all the boot trim around the edges. After refitting the first cover and then putting the boot mat back in, I took the car out for a drive. I have to say that it cured about 98% of the rattling. There is still the odd vibration sometimes, but not much and I can live with that. On a side note, I also did the penny trick with boot lid so that's working great now too. Quote
Nso93 Posted January 24, 2019 Posted January 24, 2019 I’ve not noticed any vibration from mine. I’ve got non red custom ones paired to a cobra centre section. Quote
nissanjuke Posted January 24, 2019 Posted January 24, 2019 I STRIPPED MY BOOT and put some silver road kill panels in and relined it, this seemed to have solved it, but now I notice a drone at certain speeds coming into the cabin below my feet, can't solve everything? Quote
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