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Chevy Silverado and GMC Sierra Accessories and Modifications

160 messages,  Last post on Nov 20, 2009 at 7:43 AM

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What is this discussion about? Chevrolet Silverado 1500, Chevrolet Silverado 2500, Chevrolet Silverado 3500, GMC Sierra 1500, GMC Sierra 2500, GMC Sierra 3500, Performance Mods, Exhaust, Truck

#125 of 160 2008 exhaust system by powderal May 03, 2008 (3:11 am)
is the wierd looking tip on the 08 duramax important to the system or can i change it to come out the side of the truck so i can use a skirt to tow with. it looks like it necks down a bit maybe for back presure for the cleanburn exhaust Replies to this message: bpari005 (May 04, 2008 8:47 pm) dmaxchic (Oct 14, 2008 2:05 pm)
#126 of 160 Re: 2008 exhaust system [powderal] by bpari005 May 04, 2008 (8:47 pm)
Replying to: powderal (May 03, 2008 3:11 am) It is a part of the new 2010 emmissions system on the chevy duramax but it is more for the sound than anything else. replacing or removing it would not effect the performance of the truck. I would not mess with any of the rest of it though all kind of sensors are tied into the exhaust on those new models and I'm sure a dealership would love to charge you an arm and a leg to fix it.
#127 of 160 Adding 2-Way Radio Antenna to Silverado 2500HD by wcviper Jul 02, 2008 (10:10 pm)
I have a 2006 Silverado 2500HD. I need to install an antenna for a 2-way radio and be able to place the coax connector in the cab of the truck.   Can anyone suggest the best method of running the coax cable from the antenna mount located close to the hood spring on the drivers side, into the cab?   Does it need to be run through the firewall? Do I need to drill through the firewall to do this or is there a place designed for third party use?   Is there a way to run the cable underneath the body and up into the cab without drilling through the firewall?   Thanks! Replies to this message: obyone (Jul 04, 2008 6:42 pm)
#128 of 160 Re: Adding 2-Way Radio Antenna to Silverado 2500HD [wcviper] by obyone Jul 04, 2008 (6:42 pm)
Replying to: wcviper (Jul 02, 2008 10:10 pm) You're saying you're going to mount the antenna on the front grill or the hood? There are cables and wires that run through the firewall that you could use or come in through the bottom of the cab via the plugged drain holes. Or drill a new hole and use a grommet.
#129 of 160 K&N Cold Air Intake System by mrual Jan 18, 2008 (12:09 pm)
#130 of 160 K&N Cold Air Intake System by mrual Jan 05, 2008 (11:02 pm)
I have a 2006 silverado 5.3 as everyone else allways looking for better gas mileage just changed the OME Cold Air Intake System with a K&N Cold Air Intake and What a difference way better performance its like the engine can finally breath. both performance and gas mileage shot up .. has anyone else tried the cold air intakes?? Next need to change over to mobil 1 oil see if that does anything for my mileage.. Replies to this message: obyone (Jan 06, 2008 12:43 am) mrual (Jan 06, 2008 11:15 am) obyone (Jan 06, 2008 4:39 pm) and 2 more... skipv (Jan 18, 2008 7:52 am) obyone (Jan 18, 2008 12:09 pm)
#131 of 160 Re: K&N Cold Air Intake System [mrual] by obyone Jan 06, 2008 (12:43 am)
Replying to: mrual (Jan 05, 2008 11:02 pm) After 6 months of use, remove your intake tube and inspect your throttle body. Buy a couple of cans of throttle body cleaner from Checkers, couple of old rags and have a go at cleaning all that gunk that's going to be in there. If it is really bad you may have to remove the throttle body to clean it. Replies to this message: mrual (Jan 06, 2008 11:15 am) obyone (Jan 06, 2008 4:39 pm) mrual (Jan 07, 2008 12:17 pm) skipv (Jan 18, 2008 7:56 am)
#132 of 160 Re: K&N Cold Air Intake System [obyone] by mrual Jan 06, 2008 (11:15 am)
Replying to: obyone (Jan 06, 2008 12:43 am) Wow it gets that bad?? waiting to see how my gas mileage does since i still have the ome exhaust system its still really new not going to change that till its time Replies to this message: obyone (Jan 06, 2008 4:39 pm) mrual (Jan 07, 2008 12:17 pm) skipv (Jan 18, 2008 7:56 am)
#133 of 160 Re: K&N Cold Air Intake System [mrual] by obyone Jan 06, 2008 (4:39 pm)
Replying to: mrual (Jan 06, 2008 11:15 am) By installing the K&N FIPK and a PV catback system one thing I gained was noise. Add to that a set of headers and the truck was dam loud. After awhile it got tiring and mileage increase was non existant. I would have gained a better mpg by not installing the mods and laying off the gas which made more noise that for awhile was enjoyable. I also had the Hypertech programmer, Granatelli MAF, Magnecor wires......none of which gave me more mpg....   And yes, your throttle body will get trashed. Is it from the K&N oil? Don't know but since I dumped my K&N FIPK my throttle body doesn't get anywhere near as dirty. I guess as we get older the "noise" gets annoying. Replies to this message: mrual (Jan 07, 2008 12:17 pm) skipv (Jan 18, 2008 7:56 am)
#134 of 160 Re: K&N Cold Air Intake System [obyone] by mrual Jan 07, 2008 (12:17 pm)
Replying to: obyone (Jan 06, 2008 4:39 pm) your throttle body will get trashed if you over oil the filter all you need is vary little oil.. people seem to think more oil the better wash the filter let it air dry spray vary little oil on filter wait 1-2hrs dap off and your good to go .. been using K&N Filter since 1992 never had a problem ..

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