cold air intake

truck03 · 01-30-2007, 03:30 PM

I have a 2003 Silverado w/5.3. I am wanting to install a K&N 77 series cold air intake. Is this going to cause more problems than what its worth, or will I get more power and better gas mileage out of the deal. I already have dual exhaust....

XLi · 01-30-2007, 03:38 PM

I have the same truck and have thoughts of doing the same.....Hope you get a good imformative reply....

Do you know how to resync the keyless remote after replacing te battery?

truck03 · 01-30-2007, 03:45 PM

i never had that problem...i would try and get ahold of a dealer for that info

bigbass140 · 01-30-2007, 09:10 PM

only problem with it is if you don't reprogram the computer there is a slight hesitation when you step in the gas. other than that it does help

bradrhale · 01-31-2007, 03:41 PM

i seriously doubt that you are going to get a noticable gas increase or power increase except in throttle response. personally, i would do something else with that money.

mjforn · 02-01-2007, 06:42 PM

I just put an Airaid in took about 30 min. to install. Had one one on my old truck(2001 f150 5.4) on that one it made a big difference.
Still haven't had it on long enough to tell, will post in about a month.

'06 Sierra 5.3 4x4

Chevy808 · 02-01-2007, 09:26 PM

Quote:

I already have dual exhaust

What do you mean by dual exhaust?? Do you have a single muffler with dual outlets or do you have dual mufflers with no "Y" pipe straight back (this is actually true duals)?? Brad is right on the money about spending it elsewhere. Just drop in a stock replacement K&N filter.....you already have a cold air setup.

bradrhale · 02-02-2007, 06:50 AM

that dual exhaust is a bad son of a gun. i had a true dual setup with turndowns behing the cab. in a 91, i could near beat anything on the road.

Chevy808 · 02-02-2007, 08:26 AM

Quote:

Originally Posted by bradrhale

that dual exhaust is a bad son of a gun. i had a true dual setup with turndowns behing the cab. in a 91, i could near beat anything on the road.

Guessing you're one of the lucky guys.....no emission in your state. You know, I've installed Hooker Competition headers (full length) on my '93 but with single Flowmaster muffler and hi-flow cat in Hawaii (no emission laws either) then I had to move to Salt Lake City (with emission laws). It rendered my EGR inoperable but was able to find someone to tweak it to pass every year......Cr*p. Don't mean to hijack this thread.

bradrhale · 02-02-2007, 01:00 PM

not state but select counties. but they are trying hard to make it state wide. i did like everyone else and turned the pie pan upside down. really did make a differance. flowmasters with no cats.
truck03, what exactly are you wanting, more power or gas mileage??

01-30-2007, 03:30 PM	#1
truck03 Junior Member Join Date: Jan 2007 Location: Up state NY Posts: 5	cold air intake I have a 2003 Silverado w/5.3. I am wanting to install a K&N 77 series cold air intake. Is this going to cause more problems than what its worth, or will I get more power and better gas mileage out of the deal. I already have dual exhaust....

01-30-2007, 09:10 PM	#4
bigbass140 Full Member Join Date: Jan 2007 Location: somewhere in texas Posts: 24	only problem with it is if you don't reprogram the computer there is a slight hesitation when you step in the gas. other than that it does help __________________ 06 silverado crew 1500, 18" kmc 820 series, k&n drop in replacement filter, 40 series flowmaster in place of stock muffler, and too much stereo equipment.

02-01-2007, 06:42 PM	#6
mjforn Junior Member Join Date: Jul 2006 Location: Joliet, IL Posts: 6	Airaid I just put an Airaid in took about 30 min. to install. Had one one on my old truck(2001 f150 5.4) on that one it made a big difference. Still haven't had it on long enough to tell, will post in about a month. '06 Sierra 5.3 4x4

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01-30-2007, 03:38 PM	#2
XLi Junior Member Join Date: Jan 2007 Posts: 5	I have the same truck and have thoughts of doing the same.....Hope you get a good imformative reply.... Do you know how to resync the keyless remote after replacing te battery?

01-30-2007, 03:45 PM	#3
truck03 Junior Member Join Date: Jan 2007 Location: Up state NY Posts: 5	i never had that problem...i would try and get ahold of a dealer for that info

01-31-2007, 03:41 PM	#5
bradrhale Senior Moderator Join Date: Apr 2006 Location: Texas Posts: 8,030	i seriously doubt that you are going to get a noticable gas increase or power increase except in throttle response. personally, i would do something else with that money.

02-02-2007, 06:50 AM	#8
bradrhale Senior Moderator Join Date: Apr 2006 Location: Texas Posts: 8,030	that dual exhaust is a bad son of a gun. i had a true dual setup with turndowns behing the cab. in a 91, i could near beat anything on the road.

02-02-2007, 01:00 PM	#10
bradrhale Senior Moderator Join Date: Apr 2006 Location: Texas Posts: 8,030	not state but select counties. but they are trying hard to make it state wide. i did like everyone else and turned the pie pan upside down. really did make a differance. flowmasters with no cats. truck03, what exactly are you wanting, more power or gas mileage??