Question: Exhaust Modification?
9 ECHO 1
Joined: Aug 2009
Posts: 12,467
Likes: 58
From: Missouri
No. At least not by any amount that can be measured in any way.
Senior User
Joined: Apr 2013
Posts: 375
Likes: 1
From: steeler nation western pa
No . Hi flow exhausts and filters do nothing. Remember the computer controls what the engine does how much air to bring in and it monitors what goes out and readjusts thousands a times a second.
FTE Leadership Emeritus
Joined: Sep 2000
Posts: 23,174
Likes: 1,678
From: Stephensville WI
The 2005 and newer gasoline engines have fairly good intake and exhaust systems from the factory. You can make the intake and exhaust louder, but there is not a lot of power or efficiency to gain by upgrading.
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