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Jet Performance Module Part #20305S Customer Reviews

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11 Customer Reviews

The Chip that keeps giving.

Reviewed by Ensign E (Harrisburg, OR) Reviewed for a 2006 Hummer H3 — May 22, 2016 10:29 AM

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I have a Hummer H3 not Much at first the more I drove it started changing The tone Change I have Delta 50 flow master three inch in and out. The sound is Great. The shifting well improved I have the four speed automatic. Won't shift in four gear tell the temp goes to Normal Every time startup it get better

Jet

Reviewed by Caden C (NORWOOD, CO) Reviewed for a 2005 Chevy Colorado — Sep 01, 2015 6:43 PM

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umm I can't really tell a difference in power and speed and that's what I was looking for

I wish it worked

Reviewed by mike a (overland park, KS) Reviewed for a 2005 Chevy Colorado — Dec 17, 2014 5:48 AM

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1 of 2 people found the following review helpful.

I put it on and it didn't work right And pulling it off was a pain I cracked it Which really sucked so I sent. It back to jet to see if it's jacked up on the inside if the PCM was messed up hopefully it's the programming on th PCM that's not right. Because I want to see what this thing can do dammit. Sucks when open it theirs no returning it

Very bad performance! very cheap made

Reviewed by Edward M (VISTA, CA) Reviewed for a 2004 GMC Canyon — Oct 14, 2014 6:48 AM

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3 of 3 people found the following review helpful.

After purchasing the module 2hours, it stop working. contacted autoanything. they said contact jet performance. and still waiting for the result and out come.

Not to sure.

Reviewed by Wesley J (BIDWELL, OH) Reviewed for a 2004 Chevy Colorado — Sep 30, 2014 4:56 AM

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2 of 2 people found the following review helpful.

Installation is in a confined area on my truck. Not sure if there is any thing or not but a week later my transmission cooked/ grenade itself while I was just crusing down the road at 75 mph. So now I have to put a transmission in my truck going to be about a week of staying after work and remove and installing a $1,600 transmission. Btw glad right now I work for a towing and automotive repair shop.

Jet Performance Module

Reviewed by Jeff H (Schenectady, NY) Reviewed for a 2004 Chevy Colorado — May 02, 2014 7:39 AM

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3 of 3 people found the following review helpful.

After following directions(to the letter)I started the truck and the C,E.L. went out and the engine sounded fine. Then,I installed the new exhaust system(Magnaflow Catback)and,K&N cold air intake. Now,the engine runs rough(no power),sounds like ignition leads were crossed(firing on the wrong cylinders). I don't know what to try ,next. I guess I will have to take it to a garage I know and trust. Any suggestions would be welcome.

jet performance

Reviewed by josh c (Newton, KS) Reviewed for a 2005 Chevy Colorado — Jan 27, 2011 5:03 PM

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1 of 3 people found the following review helpful.

cake in 10 min works good lots of power

Jet Module

Reviewed by Ryan S (Steamboat Springs, CO) Reviewed for a 2004 Chevy Colorado — Apr 30, 2010 10:03 PM

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3 of 11 people found the following review helpful.

The chip didn't do as much as I expected. I noticed a little increase in acceleration. It didn't get rid of the bog when accelerating in reverse after being in drive.

Good performance chip

Reviewed by Craig R (ONTARIO, CA) Reviewed for a 2004 Chevy Colorado — Aug 13, 2009 11:59 AM

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10 of 12 people found the following review helpful.

I purchased the stage II performance module for my '04 Colorado, with a current odometer reading at 70,000. I have just the K&N stock replacement air filter, Magnaflow exhaust muffler, and running on 91 octane. I noticed an immediate increase in HP, mainly acceleration. I did not notice a big difference in MPG, though I believe there was an increase. I achieved 24.2 MPG highway running 75MPH constant. Was hoping for better mileage increase, but am satisfied with the extra boost in power!

Noticable on First Drive

Reviewed by Robert N (Evansville, IN) Reviewed for a 2007 Hummer H3 — Nov 26, 2008 9:43 AM

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10 of 11 people found the following review helpful.

HP obviously has increased as well as smoother shifting. Not sure about MPG yet, but will assume with the small advance in HP, MPG should be slightly better. I'm disappointed the unit went on sale and had a $20 mail in rebate after my purchase, but I'm still happy with the price. This is the first (real)PCM I've seen for the Hummer H3. Great service and prompt shipping.

Jet Performance Module - 20305S

Stage 2 PCM
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