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Any way to reduce drone?

 
Old 01-06-2017, 02:31 PM
  #41  
Dutch08
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Originally Posted by SUB VETTE View Post
Buy a set of Corsa Sports.


It took me a long time to decide, I finally went with Corsa Sports, and Corsa X pipe. In my opinion, after owning them about 2 months now...

The Good:
* Strangely quiet in cruise between 1600-2000 rpm (No drone, nothing)
* Awesome snap, crackle, pop on decel
* Awesome start up sound
* Awesome sound on accel
* Good, nice sound while running the gears


The Bad:
* Fit - did the install myself, nearly impossible to get the mufflers to line up (I'm a bit retentive about that stuff.)
* Overall a bit high pitched more of a European sound than muscle car
* Small RPM range has a sort of a motor boat 4 cyl sound -sometimes ????
* Sound level is probably perfect, but I'd like a bit more sound on hard accel, and bit lower rumble. (Maybe should have bought the Extremes.)


Again just my personal review, just trying to help.
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Old 01-06-2017, 05:04 PM
  #42  
Redhook98
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Originally Posted by Dutch08 View Post


It took me a long time to decide, I finally went with Corsa Sports, and Corsa X pipe. In my opinion, after owning them about 2 months now...

The Good:
* Strangely quiet in cruise between 1600-2000 rpm (No drone, nothing)
* Awesome snap, crackle, pop on decel
* Awesome start up sound
* Awesome sound on accel
* Good, nice sound while running the gears


The Bad:
* Fit - did the install myself, nearly impossible to get the mufflers to line up (I'm a bit retentive about that stuff.)
* Overall a bit high pitched more of a European sound than muscle car
* Small RPM range has a sort of a motor boat 4 cyl sound -sometimes ????
* Sound level is probably perfect, but I'd like a bit more sound on hard accel, and bit lower rumble. (Maybe should have bought the Extremes.)


Again just my personal review, just trying to help.

Just did similar. I had Kooks headers and x-pipe with BB Bullets. Had to quiet that down so my teeth would not rattle inside the car. Put a pair of Corsa Sports on and observed the exact same points you made. I like em a lot, but do wish they were deeper. The Bullets made it sound totally bad *** with the cam. The Sports mellowed that. :-(

But most important, NO DRONE at all!
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Old 01-06-2017, 05:11 PM
  #43  
cmonkey713
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Corsa Sports seem to be the fix for the dreaded drone.
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Old 01-07-2017, 01:17 AM
  #44  
Bigwebb
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Originally Posted by Reggied View Post
Added high-end padding in the floor, doors, and rear compartment. Heat from muffler and transmission reduced a lot. Drone is slightly reduced but your ears will re-adjust to the new level of drone which makes it become a problem again. The trick is always drive in 5th gear. It puts you in a range that drone is not the main noise.
The padding did help a lot with road noise.
Also running regular tires and not run-flats reduce the road noise a lot too.

I love the sound...I think I have MidAmericas the set that's in the middle between mild and crazy loud.
I have a 6-speed manual 2005
The noise is coming from the entire car resonating at a low frequency being amplified by the shape of the rear compartment glass. Like standing in front of a megaphone.
and THAT is why I bumped an old thread. Thank you sir. That post made my decision for me. Not going down the rabbit hole. If I get tired of it, ok switch to NPP or corsa. Thanks again.
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Old 01-07-2017, 11:15 AM
  #45  
Redhook98
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Originally Posted by Bigwebb View Post
and THAT is why I bumped an old thread. Thank you sir. That post made my decision for me. Not going down the rabbit hole. If I get tired of it, ok switch to NPP or corsa. Thanks again.

Mine came with all the fancy padding in the hatchback area and behind the seats. Made zero difference in drone. Only affects road and tire noise. As some stated above, the drone is caused by resonance in the hatchback and underside cavities. No padding will fix that.
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Old 01-08-2017, 03:59 AM
  #46  
drive2fast
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My aps twin turbo mufflers droned at certain speeds , I wrapped the mufflers themselves with dynomat and then wrapped very very tightly over the dynomat with header tape and it really stopped most of the drone.
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Old 01-08-2017, 03:14 PM
  #47  
64Ragtop
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Corsa Sports work for me!
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Old 01-08-2017, 10:51 PM
  #48  
TWOBUELLS
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Default Corsa Mid -Pipe

I have a Corsa mid-pipe that is meant to cut down on drone and excessive noise. $200.00
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Old 01-08-2017, 10:58 PM
  #49  
vazz98
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Borla Atak with the Borla H pipe. No drone at all. Not that loud either. 2007 A6.
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Old 01-09-2017, 01:09 AM
  #50  
ProfessorDeath
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A cargo partition works surprisingly well. Your stereo will sound better as well.
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