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Old 02-24-2008, 11:06 PM   #1
Scooby Guru
Member#: 141373
Join Date: Feb 2007
Chapter/Region: E. Canada
Location: Quebec, QC
2008 2.5i-hatch -
now with a HID retrofit

Default OEM vs Borla UEL header - acoustics

I need your opinions. First, when I switched from the OEM headers to unequal length Borla knock-offs, I actually failed to hear a substantial increase in rumbleness. Granted, it was there, but rather meh - the stock catback prevented from seeing a substantial difference. On the downside, the engine bay became much more noisy, due to the headers being very thin.

Now I just got an Sti catback - and I praise it for the combination of an amazing sound, rumble and also being quiet. I dont know how much of it is due to the catback, and how much to the headers, so... question: for those who , drive a model in which the headers were unequal length to start with, were smarter then me and upgraded their catback BEFORE the headers, did the Borla UELs still make a difference with respect to stock? Or can I go back to stock headers, get my engine bay silent again, yet keep the rumble?

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