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Originally Posted by OneSi
The shorty header they are going to make a new one because the header by itsself lost about 9 hp at vtec but got it back at the end but they didnt like that so on with a new one. They have a set of race headers ready now and for the 05 rsx-s put down 15 whp alone. its all about that damn cat. They are expecting 15whp from the si but maybe a few more ponies then that. So basicly if it comes down to that, a set of race headers ((which by the way u cant even see them at all when they are on  .. cops wont know jack!)) and exhaust will set the car over 200whp because it was dyno'd at 182 whp STOCK!!! not sure at the torque i forgot to ask. They had a nice heavy duty rear sway bar complete and fit perfect on the car so they just got it painted when i showed up. So far so good.
Put it this way. i use to have an rsx-s (02) and ran a 14.8 with stock tires and an intake at a 2.4 60ft. got new tires falken fbk 451-r's 225/50/16 and a custom apexi catback i had made after i ran. i can honestly say i was around a 14.6 maybe 14.5.... my buddy had same mods but hondata reflsh and hit 14.2.. so this Si with tires, intake, race header, exhaust cant set it around a 14.2 for sure with a good 60ft. not to mention its dc5-r LSD then throw on hondata..well a nice hook up and a good driver i wouldnt be surprised so see a 13.7-8 |
The problem with making a shorty header for the Si is that the Si already comes with one from the factory. If they're going to do it, they'll have to do it better than Honda in order to make any gains. That 182 whp stock means Honda underrated the car, which doesn't make sense to me, because the marketing department wanted to print 200hp in their ads, not the 197hp. They were looking for a nice even number. But in any case, I'd expect the Si to pull a 14.3-14.5 with just a Hondata adjustment. Will be nice to see some 12 second times though.