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timberridge101
09-14-2006, 09:17 PM
2007 H3x 3.7. I want to change the exhaust to duel and who has the best , I would like to install a 1" spacer kit and cold air intake? this truck needs something more. Is it worth $1,000.00 (exhaust ) $150.00 (spacer) $400. (air cleaner) ????
aggiehummer...er
09-14-2006, 10:40 PM
It will be noisier, that's it.
H3slate
09-15-2006, 03:12 AM
Shouldn't this be in the technical disscussion? Anyways, the intake will help a little, depending which one will also make the engine noisier. I have the K&N intake, it helps, but is noisier since you have to remove the resonator when installing the intake.

Use the search tool in the technical section for intake, exhaust, spacer. You would be surprised how many people have already talked about all of these items.
H3HUMMER
10-03-2006, 08:15 PM
Buy this one http://www.h3source.com/store/10033001.htm

AND A K&N ON EBAY http://cgi.ebay.com/ebaymotors/2006-HUMMER-H3-3-5L-AIR-CHARGER-INTAKE-KIT-63-1095_W0QQcmdZViewItemQQcategoryZ38634QQihZ008QQite mZ180033752135QQrdZ1QQsspagenameZWDVW
H3HUMMER
10-03-2006, 08:17 PM
The spacer i would not waste my money.
H3slate
10-03-2006, 08:46 PM
Most spacers will emit a high pitch whistle. Could be rather annoying.
H3HUMMER
10-03-2006, 09:08 PM
I get no whistle sound
H3slate
10-03-2006, 09:13 PM
I get no whistle sound

Do you have the spacer? Which one did you get? Can I assume that you didn't notice any performance improvement?