Newbie here. Just got an '03 Z4. The previous owner has deleted everything from the cats back, so now I have straight pipes.
1) It sounds great.
2) Except for the drone at 3500 rpm's. Totally undrivable on the interstate.
Now what? I'm considering the following, in this order:
1) Helmholtz resonator
2) Flo Pro Twister Race Resonator
3) Glass packs
The Most Important Thing To Me is... I love the "popcorn" sound when I let off the gas. Just sounds amazing. I hope whatever I do to silence the drone does not kill the popcorn sound. That's the big problem.
What option will preserve the popcorn sound yet eliminate the droning? Thank you!
1) It sounds great.
2) Except for the drone at 3500 rpm's. Totally undrivable on the interstate.
Now what? I'm considering the following, in this order:
1) Helmholtz resonator
2) Flo Pro Twister Race Resonator
3) Glass packs
The Most Important Thing To Me is... I love the "popcorn" sound when I let off the gas. Just sounds amazing. I hope whatever I do to silence the drone does not kill the popcorn sound. That's the big problem.
What option will preserve the popcorn sound yet eliminate the droning? Thank you!
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