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GMC Sierra Gas Saving Products

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Latest Customer Reviews

Flowmaster Exhaust Systems Reviews


FM Force II on 2014 Sierra 1500 Denali 6.2L

Reviewed By Mark C (GEORGETOWN, KY) Reviewed for a 2014 GMC Sierra —6/10/2016 9:02 AM

I had the Flowmaster American Thunder Series on a 2001 Yukon Denali and loved the sound. That option was not available for this vehicle. I spoke to the Flowmaster rep and he recommended the Force II as a good option. I did not want a loud system but wanted to get a good low rumble. The sound is exactly what I wanted. At takeoff you hear a good low rumble but at cruising speed it is barely noticeable in the cab. Basically no drone present. I do get some burble when the vehicle is in the V4 mode.

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Magnaflow Exhaust Systems Reviews


6.0

Reviewed By Geary A (Bernalillo, NM) Reviewed for a 2015 GMC Sierra —4/20/2016 10:03 AM

Installed on my 2015 GMC sierra 2500 HD 6.0 Looks and sounds great with A deep sound more than I expected but that is what I wanted. Installation instructions we good. I do notice more HP.

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DiabloSport Trinity T-1000 Programmer Reviews


Exactly what I was looking for.

Reviewed By Donald S (TECUMSEH, OK) Reviewed for a 2005 GMC Sierra —2/13/2016 7:22 AM

Tuner has very good tunes an abLe to upload custom tunes via download or micro chip. Can't beat this tuner the Trinity customer service SUCKS!! I emailed them asking how to make the tuner to power down once the ignition is turned off after 4 days I got a response from them, all they said is to unplug it from the ECM port. When i mentioned wanted to use the gagues feature while driving the CS Rep came back with "sent it back where u bought it an get a refund then". That isn't cool at all.

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