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Old 02-08-2023, 01:58 AM   #1
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Join Date: Dec 2015
Location: Bethpage, NY
Posts: 25
Question 986 2.5 No burble??

Dumb question, but my car seems to be running too efficiently; I installed:

-Manzo headers
-Circuit Werks test pipes w/ clamp-on heat shielding
-Cargraphic exhaust(super sound version)
-New upstream O2 sensors
-New MAF

on my 1999 986 2.5, yet I don't get any pops, bangs, or burbles on over run. What gives?


-I disconnected the battery to help the DME adjust to the new exhaust several hundred miles ago.

-I can smell gasoline-laden un-catalyzed exhaust.

-Cleaned the throttle body (btw do this if you have even a slightly rough idle)

-I'm using 93 pump gas in the north-east US.

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2.5 , exhaust , row

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