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installing new exhaust on '06 sportster
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creed99
New User
| Posts: 2
| Joined: 04/09
Posted: 04/02/09
05:58 PM
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Im installing new Hooker Troublemakers on my '06 XLC. Im wondering if I do need a jet kit and new air intake, which is what a shop is telling me, so it won't run lean and burn a piston. Is this true??
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sloowpoke
Enthusiast
| Posts: 433
| Joined: 07/08
Posted: 04/03/09
05:34 AM
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Maybe, but probably not. It depends on just what mpg you are actually getting. Even the shovelheads had no problem running 55 mpg when cruising at a steady pace on the freeways. What you might have to do is run a slightly cooler spark plug, although I never found that to be necessary either. Read the spark plugs to see if it makes any significant difference at all.
regards,
Joe
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