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  1. Q50 Parts
    I’m looking to buy an Infiniti Hemholtz axleback. Specifically the Infiniti one with “Infiniti” imprinted on the tips, not interested in the Plm Hemholtz. Price is negotiable. Thanks
    $400 USD
  2. Q50 Parts
    Hello, I’m listing for sell my two month old exhaust axle back. I live in Palm Beach Gardens, FL. I’m willing to ship atbuyers expense. $500 (paid $700) a couple months ago from Z1. Let me know if you have any questions.
  3. 3.0t
    Hello, After a lot of back and fourth on what exhaust I wanted, ordering exhaust to find out they are months delayed I decided to get the Infiniti Helmholtz AB and have the Borla Dual in and out 2.5” which will be installed soon per Speed Culteres diagram. I must say the setup currently is much...
  4. Q50 General Discussion Forum
    Hello To All :) After my last post, I have made the decision to put an axleback exhaust on my 2015 Q50s. The thing is, I am very conflicted between the Rev9 Axleback, and the REMARK Axleback. I have seen some say Rev9 is better, and some say REMARK is better... I would like to hear peoples...
  5. Q50 Parts
    Looking to sell my Rev9 axle-back exhaust. Its brand new. Bought it but ended up moving and it was kept in storage. Now I'm selling my car so don't need it anymore. Its brand new, never mounted. Asking $320, local pick up in Long Island, NY
  6. Engine and Technical Discussion
    Hey Everyone, Just put these on my Q50, sounds great. But i do get a significant drone at 2400-3000 rpm. Is it just me? Does anyone else get this? What can i do to fix it or is there anything i can do? Any recommendations would greatly help. Car sounds great, but its bugging the hell out of me.
1-6 of 6 Results