Power additions: headers, chip and manifold?
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08-09-2012, 09:59 AM
Dodge Ram Forum Senior Member!
Join Date: Dec 2011
Location: Oak Lake, Manitoba
Vehicle: 2004 Dodge Ram 1500
Trim Level: Sport
Engine: 2003-2008 345ci (5.7L) Hemi V8 345hp 375lb/ft
Most guys here just use the stock copper spark plugs. They seem to work the best with the Hemis.
2004 Dodge Ram 1500 Hemi Sport, AWD, Muffler delete
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