Although many people get aftermarket exhaust
systems to improve the sound of their vehicle,
investing in an aftermarket exhaust system will
also improve your car's performance with
increased horsepower, better torque and
reduction of turbo lag (only on turbocharged
cars). Other benefits include improved
appearance, increased value, better gas
mileage & reducing emissions. Aftermarket
exhaust systems do all this by simply improving
the air flow to the engine. Now that I've
convinced you that to invest in an aftermarket
exhaust system, you must learn how to choose
the correct one for your vehicle.
learn how to reduce lag
1 What type of exhaust system is on your car now? If your current
exhaust from the catalytic converter back is an aftermarket system, then
purchase the same brand of header The same brands always work best
together and be easier to install If your car is using the stock exhaust,
you can choose your header based on your purpose for it ("Headers" are
the pipes that come out of engine block
IE A V8 has 8 pipes ) The size of the header pipes make a big
difference In general, the larger the pipe, the quicker the flow and deeper
the sound Many high performance engines have open headers (no
pipe/muffler after the header), which is learn how to reduce lag the
quickest exit of exhaust, resulting in increased horsepower
Since different exhaust systems offer different benefits, try to find a local
shop that specializes in custom exhaust systems and ask them what
systems would be the best for your vehicle 2 Where do you want the
most power in the engine's powerband? You'll get more bottom-end
power from longer pipes on the header A V8 engine works well with
longer header pipes Shorter header pipes work best at higher RPMs
So, a high-revving car engine works best with shorter header pipes
Where the pipe is run on the car is based on performance expectations,
sound desired and style of car The most obvious option is a straight
exhaust that runs straight out the back of the car Another option is to
have the pipes coming out the sides of the car, just in front of the rear
wheels A third option at the sides of the car is "Lakes Pipes," which
come out just after the front tire, run parallel to the bottom edge of the
car, and stop before the rear tire
It takes a delicate balance to select an exhaust system that meets
*both* your performance and price requirements An exhaust upgrade
can mean a few simple changes or complete overhaul costing $1,000 or
more Generally, the more an exhaust system will do for your car, the
more it will cost you to get it 3 How will you use your car? Since exhaust
systems serve a variety of purposes, determine your specific goal for
your exhaust upgrade
If your aftermarket exhaust upgrade is to improve performance, get a
higher end exhaust Someone who only wants to upgrade the
appearance of their car can simply add a new exhaust tip to their existing
exhaust system "Mufflers" are "joined into the exhaust pipe closer to
where the pipe ends" to "muffle" the sound Mufflers vary in pitch & sound
volume Some slow air flow down & others let air pass through them
4 What will look best with your car's engine bay? Choose a chromed or
polished exhaust header that matches your car engine's current metal
finish Those who have a "show car" may favor a header with a shiny,
stainless steel finish Ceramic coated headers are favored to look ready
for the racetrack MagnaFlow exhaust systems are stainless steel and
come with life time warranty, making them one of the best and most
popular in the US
MBRP exhausts are cheaper than many others and made for daily
driving, because their exhausts tend to overheat They are an
inexpensive way to improve your car's performance significantly To
improve the performance of your car, MBRP offers a "Pro Series" exhaust
that is made from stainless steel & comes with lifetime warranty To
improve sound of your car, MBRP offers a "Black Series" exhaust system
5
Does your car need to comply with emissions laws? Laws vary from
state to state, so check local emissions laws, but 30+ year old cars are
usually exempt from emissions testing If your car is NOT exempt from
emissions compliance, then your aftermarket exhaust system MUST be
able to pass standard emissions testing Therefore, you must choose
headers that can accept smog equipment like oxygen sensors If your car
is exempt, your aftermarket exhaust system is limited only by your budget
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