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Discussion Starter · #1 · (Edited)
One of the first things I did with my 2021 ILX was fit a 9th Gen Civic Borla axle back. Some notes. Came out much less expensive than a full catback but not without a few items (definitely an exhaust shop job as the flange/connection to the factory exhaust had to be modified).

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-The hangers hook up perfectly.
  • Slight bending of the hangers needed to get the tip centered in the bumper cutout.
  • Flange connection at the axleback connection to the factory pipe had to be cut off due to misalignment. A new connection/flange was welded on. Re-used factory gasket.
  • Had to add a resonator at the mid pipe to remove angry bees sound at Wide Open Throttle.
  • With the Magnaflow resonator in place, sounds absolutely perfect. Sophisticated and grown up. DSG downshifts under braking sound amazing.

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2022 Acura ILX, red. Upgrades: rear spoiler, factory auto start
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New to forumn. What is the main goto for parts? On the resonator....is that a 'figure it out' add on or is there a dedicated part for this application?

What was your turn key cost?
 

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Discussion Starter · #3 ·
I’ve found many parts (mostly suspension) at proimporttuners both using Acura ILX search and 2015 Civic Si Sedan search.

In retrospect, I’d just buy a full catback like the one offered by FullRace for the ‘19+ ILX instead of cobbling one up. The one I hacked up still sounds great, but it bothers me that the flange at the axleback is improvised. The tailpipe hangs a bit lower than I would like.

Regards!
 
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