H3 3.7l

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Jun 30, 2011 | 04:02 PM

2hummerfamily

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Joined: Jun 2011

Posts: 6

From: mile marker 8000lb winch float chains in rear purple crainium diff cover in rear

H3 3.7l

Want exhaust but don't want tuner sound want american growl I have heard all the youtune stuff it sucks

Jun 30, 2011 | 04:07 PM

2hummerfamily

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Junior Member

Joined: Jun 2011

Posts: 6

From: mile marker 8000lb winch float chains in rear purple crainium diff cover in rear

H3 3.7l

Have a kid from GM that's gonna tune my h3 for gas mileage also for speeding with 35'struck and horsepower bump I have a 5speed1 should I do it I really need it to get back my powerband

Jun 30, 2011 | 05:06 PM

2hummerfamily

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Junior Member

Joined: Jun 2011

Posts: 6

From: mile marker 8000lb winch float chains in rear purple crainium diff cover in rear

Pardon my spelling DROID correct every little thing corrections are spedo 35's etc.you get the picture

Jul 1, 2011 | 11:58 PM

silver08colorado

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Joined: Jun 2011

Posts: 10

try listening to Colorado/Canyon exhausts. I have an MBRP exhaust on my 2008 Colorado with the 3.7L:

YouTube - ‪MBRP exhaust 2008 Colorado 3.7L‬&rlm;

With my 3.7L I'm also tuned with HP tuners, have K&N cold air intake and a polished and ported throttle body.

Last edited by silver08colorado; Jul 2, 2011 at 12:02 AM.