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Mitsubishi Lancer Evolution - Exhaust Upgrades

Mitsubishi Evolution Viii Exhaust Shootout

Jun 5, 2003 SHARE
Turp_0603_01_z+project_evo+exhausts Photo 1/1   |   Mitsubishi Lancer Evolution - Exhaust Upgrades

Twelve exhaust systems, 36 dyno runs, ten hours of wrenching, a couple pizzas and some burned flesh; it's all in a days work. Sometimes we here at Turbo get a little ambitious. We can only blame ourselves; but we do it out of good intentions. Our famous exhaust shootouts receive a lot of love from you, the readers, but they certainly leave us battered, bruised and in this case, burned (enter evidence exhibit A, my left arm). Running on pure adrenaline we installed and tested twelve exhaust systems from sun up to sun down on our dyno drone at XS Engineering in Huntington Beach, California.

Due to the popularity of the EVO VIII and the many requests we have received, we decided to figure out which exhaust system is the best for this Mitsu. In order to do things fairly we solicited exhaust systems from every aftermarket manufacturer we could find, twelve of which sent an EVO VIII exhaust over for us to test. We invited all of the manufacturers out to witness the installation and testing. We dyno'd all of the systems on the same car, on the same day and at the same facility. We gave each system three power runs and tested the decibel level at idle and 3000 rpm. We replicated the same dyno run procedure for each system (same fan, no ice, heater on between runs, off during the run, etc.). It was the perfect day for dyno testing, as ambient temperature was within two degrees from sun up to sun down. We know since we data logged the ambient temperature on all the runs.

Rolling up on the four-wheel dyno is our Project EVO VIII. Having played with a few EVOs since its introduction here in the States we have noticed how incredibly sensitive the factory ECU can be. Install an exhaust, downpipe and cold-air intake and instead of gaining horsepower you can actually lose it. Knowing that most EVO enthusiasts will likely modify their vehicle with more than just an exhaust system we opted to test the 12 exhaust systems on a mildly tuned Evolution. Our Project EVO was the perfect candidate. Since our EVO already had an AEM EMS installed we were not worried about the factory ECU taking over the control of fuel and ignition timing. Project EVO is also equipped with nearly every possible bolt-on; AEM cold-air intake, DC Sports downpipe, DC Sports turbo manifold, XS Engineering front-mount intercooler and hardpipe upgrade, Buddy club 264 degree cams and AEM adjustable cam gears. To keep tabs on boost pressure a Blitz i-Color boost controller was preset to a duty cycle on all the runs so there would not be any boost differences unless one system was more restrictive than another.

So after ten hours of testing who is the top dog? Well it depends on what you are looking for. Several of the systems tested made almost identical power so it all depends on the style, type, construction, etc. All we know is that if you are in the market for an Evolution exhaust we've got you covered.

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Sources

5Zigen
Carson, CA 90746
310-608-5575
http://www.5zigenusa.com
HKS USA
Los Angeles, CA 90061
310-491-3300
http://www.hksusa.com
Turbo XS
Gaithersburg, MD 20879
301-977-4727
http://www.turboxs.com
Skunk2
Norco, CA 92860
951-808-9888
http://www.skunk2.com
Blitz
Azusa, CA 91702
626-839-8350
http://www.blitzpowerusa.com
GReddy
Irvine, CA 92618
949-588-8300
http://www.greddy.com
Tanabe
Torrance, CA 90501
310-783-0200
http://www.tanabe-usa.com
A'PEXi USA
Orange, CA 92865
714-685-5700
http://www.apexi-usa.com

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