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Truck Accessories from the
Factory or Aftermarket?
by H. Kent Sundling
 We
can't resist accessorizing trucks to fit our needs as well as our personality.
It's common to spend another $3000 on accessories after we buy the
truck. Trailer hitches, brake controllers,
running boards, as well as performance mods to the engine and
transmission, add up quickly. Top selling accessories are hitches,
exhaust, air intake systems and tonneau covers according to SEMA
(Specialty Equipment Marketing Association). This represents a huge
market for auto and aftermarket manufactures to battle
over.
First question is, do you buy
the bulk of the accessories from the truck dealer so it can be added to
your truck loan at the start, maybe even on the zero interest factory
loan, or take your time and shop around. You might have done this with your
horse trailer loan, adding some toys
to the 20 year LQ loan didn't seem to add much to the payment. Adding
accessories to the truck loan is a better choice than using a high interest credit
card to buy all the toys you want for your truck.
Truck Manufactures see the Huge
Market.
Aftermarket manufactures
show off their products at the SEMA convention each year. You might have
seen some TV programs about SEMA, it's quite an international affair.
Truck manufactures have their latest and greatest there too. Letting the accessory
manufactures test the water for new products and then capitalizing when
the market is large enough.
Accessories like tailgate assist, trailer brake controllers, GPS, tire
pressure monitors as well as moon roofs all started as aftermarket
accessories before their popularity made them a main stream option in
your new truck. Even engine performance modules, chips and dual turbochargers on diesels, came from the aftermarket world before making it to a
Detroit assembly line.
GM's
new integrated trailer brake controller (above) . Readout is
in the dash but in the controls are on left side.
Ford was first with a
factory option trailer brake controller in 2005. The Ford Tow Command
was designed
with Tekonsha (maker of the Prodigy.) New for 2007, GMC and Chevy have
a factory
trailer brake controller option in the HD2500/3500,
manufactured by Continental (tire and electronics giant.)
Their new controller has digital read out in the dash. These are great
improvements for towing made possible by the aftermarket
companies who pioneer ideas.
Ford's new 2008 F450 pickup
is ready
to go with a factory 8 ft. bed instead of an unfinished Cab &
Chassis that had to
have a bed added or as part of a conversion from aftermarket companies
like Western Star, Classy
Chassis and Laredo. The 2008 Ford Super Duty has optional bed extenders
that fold into the walls and a step that pulls out of the tailgate. GM
had and now Ford has power extending tow mirrors that started as an
aftermarket product. Versions of these "new " options could be seen at
SEMA in years past.
Truck manufactures leave
plenty of room for improvement, which is where they help aftermarket
companies flourish. It is a two way street. Especially for folks
using their trucks to tow heavy trailers. Truck prices would be
astronomical if they were built for extreme use. But you can add
aftermarket transmission pans and differential covers for more oil
capacity, cooling the stress of towing. Larger air filters and exhaust
relieve some of the strain of towing in the mountains along with
aftermarket transmission torque converters and exhaust brakes.
Pulling Power for Your
Trailer
One of the
first accessories I see added to trucks is a Cold Air Intake (CAI).
This replaces the factory air filter, box and tube going to
the intake manifold. Colder and higher volume air is the goal. Diesels require 18,000 gallons of air for each
gallon of fuel. aFe
intake systems are permanent filters. You just clean them, treat
them with a special oil and keep on using them.
A new trend with air filter
systems is
the new
aFe Pro Dry S Synthetic Dry-Media Filters that are cleanable
but not treated with oil. Both types allow more air flow than
stock paper air filters providing improved throttle response,
horsepower, torque, fuel economy and can last over 100,000
miles.
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| The aFe CAI system above
replaces the factory air box and tube to the intake manifold as
well as the battery box for more air volume and cooler air.
There can be some improvement in fuel economy as well |
aFe exhaust in stainless or aluminized. Another top 10 accessory
is cat back exhaust, emission legal. Less restriction will
decrease turbo heat to lower Exhaust Gas Temperatures and give
you better throttle response. Four or five inch mandrel bent
tubes and high flow muffler are more efficient that factory
restricted exhaust systems. |
 Aftermarket
chips, modules and downloader's such as Superchips and Edge,
can increase the diesel line pressure and change engine
timing. When a truck manufacture increases power in a new
model, they do much of the same.
Improving your trucks horsepower
and torque with hand held tuners like Superchips or a plug
in module like Edge, is the fastest and cheapest way to add
that power. But extra power causes extra heat, which is why
it's important to use an aftermarket (cold air intake) kit
to increase the volume of air going in the diesel engine as
well as aftermarket high volume exhaust to get the hot air
out. And to monitor that heat, you'll want to include a
gauge (Pyro) for Exhaust Gas Temperature.
Superchips
can change transmission shift points, read engine codes, and
calibrate odometer for different tire sizes. |
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| ATS torque converter for
an Allison Automatic behind a Duramax diesel. |
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ATS Diesel Performance, specializes in torque converters and
transmissions. Bigger trailers and diesels themselves are
hard on transmissions. The first to go is usually the clutch with
a manual transmission or torque converter with auto
transmissions. ATS has a 5-Star viskus clutch drive torque
converter for 100% mechanical engagement for more power from
the engine to the tires. |
Safety for Sure
B&D Performance, PACBRAKE
and Banks make exhaust brakes. Popular accessories in the mountain
states and a factory standard on the new 2007 Dodge 3500 HD and all GM
C4500/5500 trucks. Semi trucks have engine brakes to slow down and save
their brakes. Exhaust brakes work a little different but still will slow
you down on the fast side of the mountain.
 Factory tire pressure
monitoring is an option for 2007 in most trucks, as it is mandatory in
new cars for 2007. An aftermarket option is Pressure Pro, for your
truck and trailer. Pick your reason, the cost of tires, safety, calm
horses, or just changing
a tire in the middle of the rain or freeway during rush hour.
Tires are something we constantly worry about on trips. Pressure Pro
has an advantage by being portable between trailers and
different tow vehicles. The transmitter replaces your
valve stem cap. |
Convenience and Cool Toys

Power Vision electric extending mirrors. Towing
mirrors have to be good. Can't get more convenient than pushing
a button to bring the mirrors in. It's convenient moving the
mirror in and out, finding the blind spot. Power Vision was a
factory towing mirror for GM for a couple of years.
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SuperSprings;
If your truck works for a living. Trucks ride dramatically
better than they did in the 70's and 80's. Part of the reason is
the longer rear springs. This softens the ride but also will
make a loaded truck sage more when loaded and lean more on
curves. Not exactly want you want towing a trailer at your
trucks trailer towing limit. Some truck manufactures have
stopped using rear stabilizers too. Empty trucks needs anti-sway
rear stabilizers for cornering and better handling. SuperSprings can do that for you as well
as level out your loaded truck. |
 PML
pans and covers; Towing trailers, means changing your trucks fluids more
often because of the extra heat generated. Having extra fluid in your
transmission pan and differential covers, cools the fluid with PML. The outside
and inside fins help cool also.
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 GPS
has been around a long time now. It's a factory option, most
with a 7 inch screen. Delphi's NAV200 has a 3.5 inch touch
screen with less dash space lost, on an aftermarket GPS.
CoPilot's Laptop 10 version lets you use your computer for a
larger screen. I seem to always have my laptop with me on long
trips. I've used GPS to keep on track finding a gas station
every 200 miles when using a gas guzzler towing.
I'm spoiled with GPS. I use it
mostly to find streets that are coming up and in the mountains,
especially at night, I can see the upcoming curves. |
 AgCam
from Dakota Micro has a versatile camera system with magnetic
base camera's for watching your trailer coupler as you back up.
And then stick the camera in your horse trailer, see who's
behaving. The camera's are bullet proof, water proof, have infra
red and night vision. I use mine to checkout new products, like
how much mud flaps sail at 70 mph. Originally built to monitor
farm machinery like combines. |
Aerotravel roof wing by Wingmaster, for the same reason
semi-trucks have them. Aluminum or stainless steel, the sharp
looking wing directs air up and over your trailer nose.
Wingmaster claims a 10% improvement to fuel economy towing. The
frame clamps to your trucks roof seam inside the door. No holes
and you can take the wing off fairly easy. |
The
Rear-Guard from Cloud
Rider, extruded aluminum mud flaps. Mud flaps protect your trailer
resale value and the worry now is the extra drag, costing you fuel mileage.
With Cloud Rider, pull a pin and take them off when you're done
towing. Installation is easy using the existing holes in the
bumper. |
DeBo
step, my knees didn't use to hurt climbing on the tailgate. This
step attaches to the receiver hitch frame not in the hitch. So
you don't have to remove it to tow a trailer. It supports 400
lbs, so I can keep my boots and belt buckle on and use it often
getting in the truck bed. |
Do your Research on the Web
PopUp
Hitches-
www.popuphitch.com
Cloud-Rider 800-632-1255
www.cloud-rider.com
advance FLOW engineering 866-503-9911
www.afefilters.com
BD Diesel Performance,
(800) 887 5030;
www.dieselperformance.com
Superchips power tuner
www.superchips.com
ATS transmissions 800-949-6002
www.atsdieselperformance.com
Power Vision Mirrors
www.powervisionmirrors.com
Access Agri-Cover SNOWSPORT
Utility Plow, tonneau cover www.agricover.com
1-800-233-4655
Diesel Turbo Lifesaver
http://www.thebritebox.com/DTLS.main.page.html ph. 970-879-4201
Wingmaster AeroTravel 800-926-6569
www.Turbowing.com
GOWELD 800-845-7259
www.brocoinc.com
Co-Pilot GPS 800-377-6453
www.alk.com
DEBO step 608-577-4002
Dakota Micro camera's 866-462-4226
www.agcam.com
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