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JLarsen45's 2014 GMC Sierra 1500 5.3L Z71 Mods

BDS 6" Coil-Over, Fox, Kooks, K&N, Corsa Sport, 20" Mayhems, 35" Mickeys, DiabLew Tuned, Rigid
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JLarsen45's 2014 GMC Sierra 1500 5.3L Z71 Mods

Postby JLarsen45 [OP] » Dec 31 2014, 4:03am

To preface this thread, I began this entire process as a complete noob. I had been driving a Hyundai Sonata since '09 prior to purchasing my Sierra in October 2014. Before that, was a '94 Pontiac Grand Prix with hideaway door handles that snapped nearly every winter. Both those vehicles served me well, and with each, I didn't know how to do much besides put gas in the tank and air in the tires.

My little Hyundai was the first car I purchased and it never did me wrong; (I even got a great trade-in value for it when I bought the truck), but after leaving the sales world, MPG wasn't necessarily a huge priority any longer, and a truck was clearly going to be more versatile for our needs. Boy, do I enjoy having twice as many cylinders under the hood!

This entire project of outfitting my truck has been a valuable learning experience and I am happy that it is coming to completion. I'll point out all the parts I purchased, why I chose those parts, where I purchased from, and my two cents on each of them.

To start, I purchased a;
2014 GMC Sierra 1500; 5.3L V8 EcoTech - Z71 – Crew Cab/Short Bed- SLT. I bought it with about 3,700 miles on it.
20141007_084412.jpg


Right off the bat I put a low-profile bed box on, bought WeatherTech liners, some license plate frames, a trailer hitch cover, and although I know they purposely don’t put the Z71 decals on the tail of the bed for this trim, I sorely missed them not being there. I found a guy on ebay to make me up a set of them. After adding just these couple superficial pieces, I was hooked. From there it became an all out onslaught of what I could put on this thing.

- Northern Tool + Equipment Low Profile Aluminum Crossover Box – Part# 41913
--- Best price I found for a slimmer low profile box.
--- Needed a slim one because the short bed
--- Solid construction. Would recommend
--- Had a slight issue with paint chipping on one corner but hit it with some clear coat and haven’t had an issue since


- Used the vendor “Shockappeal” on ebay for the decals and would recommend.
--- He’ll do up any color/material combo you want at a reasonable price
20141230_135105.jpg
Decals


Initially, all I was interested in doing to the truck was putting a bull bar on the front (more so for the look than function), and to lift it a little bit, because these models as of late sit so low, and I'm not necessarily a fan of the pitched down look. Naturally with a lift comes bigger tires to fill in the void. So that was my gameplan.

After searching around for available options and pricing them out, I decided that it may be wise of me to look into performance parts upgrades that would actually benefit the vehicle rather than go purely for the cosmetic look I was seeking.

The first couple articles and forum posts I read all said the same thing; Intake, Exhaust, and Tuner. Boom. Easy enough. I added the following;

- K&N Series 77 Cold Air Intake – Model# 77-3082KP
--- Originally purchased on AutoAnything; got back-ordered; ended up buying on Amazon. Had good reviews across the board
--- I love the thing. It looks awesome. Sounds great!
--- Ended up swapping the filter out for the “Dryflow” one found on the “BlackHawk” model.

20141230_143258.jpg
CAI


- Flowmaster Force II Cat Back - Dual Exit Exhaust – Part# 817666
--- Purchased on AutoAnything. Had great reviews. On Sale + $75 Rebate
--- Purposely chose their QUIETEST model
--- At the time I purchased it I was not up to snuff on grades of Stainless Steel. All the Flowmaster’s are 409 SS. I would probably go with a line that offers 304 SS next time around.
--- Installed pretty easily, however the clamps aren’t great. Ended up getting everything welded when the headers were installed.
--- For the most part the exhaust with the CAI sounded great together. Except at about 1700 RPMs. Holy Drone! Enough to make me cringe. (Later I swapped out the muffler to the 70 Series Big Block II)


- DiabloSport Intune i-1000 Tuner
--- With virtually zero experience with cars, this device intimidated me. It ended up being the easiest piece of equipment I could have asked for. Would definitely recommend for anyone. (DiabLew tune to come)
--- Purchased from AutoAnything after returning the BullyDog GT Tuner
--- Had to get the DiabloSport OBDII cover



At the time of installing the above parts I went ahead and put that bull bar on that I always wanted. From searching around, the Aries Big Horn “4 Bull Bar always jumped out at me. It literally looks like it was made for the front of that truck. Makes every other bull bar I see look puny.

- Aries Big Horn Alumalite Bull Bar – 4” – Textured Black – Part# ARI-AL45-4012
--- Purchased from RealTruck.com
--- Hardest part of install was removing the stock tow hooks
--- Only knock against it is from the side, the down tubing just kind of ends
--- **Note – It does interfere with the front Park Assist - If anyone has suggestions of aiming the sensors, let me know


At this point I figured that if I’m upgrading the Intake and Exhaust behind the Cats, it only makes sense to do the pieces in between; (that was my arguing point to my wife anyway). The plan was larger Throttle Body, Headers, and Y-Pipe. I had purchased the Jet Performance Throttle Body that was listed to fit my make/model, however it did not. I followed up with Jet and they informed me that they haven’t even released the throttle bodies for the 2014’s yet; so AutoAnything had it listed incorrectly (Apparently they come out around March 2015, and I’ll be picking one up then). Also, no options for an Intake Manifold upgrade. I was told though that because the current Intake Manifold can handle a SuperCharger, that it would be sufficient for my needs.

- Kooks Street Long Tube Headers – 1-3/4” Primary / 3” Collector - Part #: 28602200
- Kooks Street Y-Pipe w/ GREEN High Flow Cats – 3” Diameter - Part #: 28603300
--- Purchased from AutoAnything after swapping out Doug Thorley Headers
--- 304 Stainless Steel
--- Went naked; No Wrap and No Ceramic Coating per manufacturer’s recommendation. They said unless they were going in a racecar, a show car, or something small and compact, that they don’t recommend ceramic coating them. Only time will tell if I end up kicking myself, but they are a pretty bronze right now.
--- I was nervous about how loud this was going to make the truck and to be honest; it sounds WAAAAY smoother and 10x better. I chose to swap out the muffler to combat this. Not too loud at all.
--- **The Headers are hidden under the Silverado on AA; does not come up under Sierra. Also, they are listed as Shorties, when they really are Long Tubes.
--- **Note – Kooks Headers ONLY work with Kooks Y/X pipe setups and vice-versa. They have a 2-bolt connection rather than the standard Tri-Bolt. I learned the hard way and ended up having to overnight a pair of headers in place of the ones that I originally had chosen.

20141230_143333.jpg
Headers


- Flowmaster 70 Series Big Block II Muffler – 3” Inlet/Dual 2.5” Outlet – Part# 530702
--- Purchased from AutoAnything
--- In combination with the Kooks components, eliminated the drone and really sounds good. It roars when the truck fires up, and sounds solid at idle. The entire setup sounds aggressive without being obnoxious.


At the time I was having the exhaust system finished up, I went ahead and got a modest lift, upgraded the tires, and added caliper covers (just because I like how they look). I looked everywhere at different rims just for kicks, but just never found any that I liked enough to do away with the 20” stock ones. I’ve always been a fan of black rims too, but with the amount of chrome accents already on the truck I like how the stock chrome-alloy rims look.

- Rough Country 3.5” Suspension Lift w/ Upper Control Arms – SKU# 278.20
--- Purchased at RoughCountry.com
--- Ride is SUPER smooth and sits exactly where I was hoping. The truck still fits in the garage with plenty of room. Definitely would recommend.


- Mickey Thompson BAJA ATZ P3 Tires – 305/55/R20
--- The shop I had the work done at did a price match for the lowest price I found online
--- It has been a mild winter here in WI, but we had one 3” snowfall and the stock Goodyear Wrangler-SR-A tires sucked big time in it. Granted they are intended more so for highway use, but still, why put those on Z71 model?
--- The Mickey Thompsons are Awesome. I never thought I would get so jacked up about a set of tires, but these things really do look sweet.
--- I don’t notice ANY road noise
--- I get a tiny bit of rubbing if I crank the wheel all the way, but nothing bad enough to make me want to space them out or do any trimming.
--- No snow yet so can’t report on that, but their reviews had nothing but good things to say about how they handle on snow and ice


- MGP Brake Caliper Covers – Red/GMC - Part #: 34208SGMCRD
--- Purchased through ebay because AutoAnything didn’t have the GMC ones at the time when I purchased
--- They are an expensive piece of plastic, but they look cool!
--- PLENTY of clearance behind the stock 20” rims


20141230_135023.jpg
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2

20141230_135257.jpg
3

20141230_135503(0).jpg
4

20141230_135245.jpg
5

20141230_135350.jpg
6


So, there you have it. The new toy. So far I love it. Couldn’t be happier with how it sits and rides, and am excited to have a little extra something under the hood.

Feel free to hit me up with any questions!

Here is the rundown of parts:
- K&N Series 77 Cold Air Intake – Model# 77-3082KP
- Kooks Street Long Tube Headers – 1-3/4” Primary / 3” Collector - Part #: 28602200
- Kooks Street Y-Pipe w/ GREEN High Flow Cats – 3” Diameter - Part #: 28603300
- Flowmaster 70 Series Big Block II Muffler – 3” Inlet/Dual 2.5” Outlet – Part# 530702
- Flowmaster Force II Cat Back - Dual Exit Exhaust – Part# 817666
- DiabloSport Intune i-1000 Tuner
- Rough Country 3.5” Suspension Lift w/ Upper Control Arms – SKU# 278.20
- Mickey Thompson BAJA ATZ P3 Tires – 305/55/R20
- MGP Brake Caliper Covers – Red/GMC - Part #: 34208SGMCRD
- Northern Tool + Equipment Low Profile Aluminum Crossover Box – Part# 41913
- Aries Big Horn Alumalite Bull Bar – 4” – Textured Black – Part# ARI-AL45-4012
Last edited by Trumpster1 on Oct 31 2015, 5:55pm, edited 2 times in total.
Reason: Fixed "LTZ" to "SLT"
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>>Jon
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2014 GMC Sierra 1500 5.3L SLT -sold- | JLarsen45's 2014 GMC Sierra 1500 5.3L Z71 Mods
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Re: JLarsen45's 2014 GMC Sierra 1500 5.3L Z71 Mods

Postby GMTEC2 » Dec 31 2014, 4:54am

Truck looks awesome!
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Re: JLarsen45's 2014 GMC Sierra 1500 5.3L Z71 Mods

Postby Darmurp » Dec 31 2014, 5:05am

Lookin good!
2007 GMC Sierra Z71 4x4::Silver Birch "Realtree Edition"::RC 2" Level::Bilstein 4600s::LT285/70/17 Cooper Discover ATPs::Diablo Predator Tuner::Realtree Emblem and Interior Pieces::Pioneer Double-din with Alpine 10" Sub
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Re: JLarsen45's 2014 GMC Sierra 1500 5.3L Z71 Mods

Postby SilveradoGoesBang » Dec 31 2014, 5:39am

Wow man looks awesome! Nice Truck!
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Re: JLarsen45's 2014 GMC Sierra 1500 5.3L Z71 Mods

Postby Joey'13 » Dec 31 2014, 6:15am

Looks fantastic! 3.5 is a very nice stance. That's one clean, mean machine
2013 Sierra ECLB w/t
RC 2" level + Readylift 3" rear block
Airraid MIT/K & N drop-in
Flowmaster Super 10
Gibson short tubes
DiabLEW Tuned!!
285/70/17 Duratrac's
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Re: JLarsen45's 2014 GMC Sierra 1500 5.3L Z71 Mods

Postby JLarsen45 [OP] » Dec 31 2014, 6:34am

Thanks guys!
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Re: JLarsen45's 2014 GMC Sierra 1500 5.3L Z71 Mods

Postby Daly » Dec 31 2014, 11:51am

Looks great…
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Re: JLarsen45's 2014 GMC Sierra 1500 5.3L Z71 Mods

Postby scooterjr » Dec 31 2014, 12:03pm

Truck is looking good. Like how you kinda gave a review on all the parts used.
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Re: JLarsen45's 2014 GMC Sierra 1500 5.3L Z71 Mods

Postby mjj » Jan 03 2015, 6:35am

Looks nice.
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Re: JLarsen45's 2014 GMC Sierra 1500 5.3L Z71 Mods

Postby JLarsen45 [OP] » Jan 04 2015, 4:46am

Just noticed I listed my trim level as LTZ. whoops. SLT,LTZ,ABC,123, they're all the same. Anyways, noticed I can't edit the post, which is a bummer bcz aside from covering up my GM brand trim faux pas, I was hoping to be able to add future mods to the same post.
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>>Jon
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