((((((((----EG Hatch Thread----PT 2 )))))))))
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From: acre
Re: ((((((((----EG Hatch Thread----PT 2 )))))))))
Thanks a lot, I don't think it's sick, but I love it regardless. Now to answer your questions:
1. I'm no scientist, but I know that you CAN have too big of exhaust diameter for naturally aspirated engines. You can put as big as you want on forced induction, bigger the better. But for NA engines, you want as little back pressure as possible while keeping the velocity of exhaust gas high. Despite what some people say, back pressure is never a good thing, it robs you of horsepower and if bad enough can reverse exhaust flow. For a stock B16, a 60mm exhaust system is plenty. You see a lot of K20 guys putting 3" exhaust on, that's because the engine (which has higher a compression ratio, bigger cams, more fuel, etc.) expels much more exhaust gas at high RPM than my B16. Here is a great thread to answer all your questions about exhaust size: https://honda-tech.com/forums/tech-misc-15/backpressure-vs-exhaust-velocity-explained-2077910/
2. I'm running the stock exhaust manifold, which has a 50mm collector (about 2"). Then I have a Skunk2 2.25" test pipe that was $110. The RS*R Exmag system was $620, but I sold the muffler section for $250, so the B-pipe is worth $370 (oh yeah and it's all 60mm, or 2.37"). The the 5zigen Fireball axle back cost me $74 shipped from eBay (used, and also 60mm). So I have a grand total of $554 wrapped up in my exhaust system, not including new gaskets, and I don't even have a header yet. But I have a lot of fun messing with my exhaust, so it's worth it. I think I have it right where I want it, until I get a header. There's no rasp or anything either, thanks to the RS*R b-pipe.
1. I'm no scientist, but I know that you CAN have too big of exhaust diameter for naturally aspirated engines. You can put as big as you want on forced induction, bigger the better. But for NA engines, you want as little back pressure as possible while keeping the velocity of exhaust gas high. Despite what some people say, back pressure is never a good thing, it robs you of horsepower and if bad enough can reverse exhaust flow. For a stock B16, a 60mm exhaust system is plenty. You see a lot of K20 guys putting 3" exhaust on, that's because the engine (which has higher a compression ratio, bigger cams, more fuel, etc.) expels much more exhaust gas at high RPM than my B16. Here is a great thread to answer all your questions about exhaust size: https://honda-tech.com/forums/tech-misc-15/backpressure-vs-exhaust-velocity-explained-2077910/
2. I'm running the stock exhaust manifold, which has a 50mm collector (about 2"). Then I have a Skunk2 2.25" test pipe that was $110. The RS*R Exmag system was $620, but I sold the muffler section for $250, so the B-pipe is worth $370 (oh yeah and it's all 60mm, or 2.37"). The the 5zigen Fireball axle back cost me $74 shipped from eBay (used, and also 60mm). So I have a grand total of $554 wrapped up in my exhaust system, not including new gaskets, and I don't even have a header yet. But I have a lot of fun messing with my exhaust, so it's worth it. I think I have it right where I want it, until I get a header. There's no rasp or anything either, thanks to the RS*R b-pipe.
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From: Joplin, MO
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From: F.L.A.
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From: where mudguards die
Re: ((((((((----EG Hatch Thread----PT 2 )))))))))
cant wait to install my spec II i just gotta wait till my car isnt a dd anymore
http://www.youtube.com/watch?v=0uAO-zMI33U
http://www.youtube.com/watch?v=0uAO-zMI33U
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From: Sacramento, CA, us
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Joined: Dec 2003
Posts: 3,007
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From: Sacramento, CA, us
Re: ((((((((----EG Hatch Thread----PT 2 )))))))))
dont like wheels, dont like color (just looks wierd on eg hatch i guess), dont like engine bay color, dont like spoiler, dont like tinting tail lights. that car is like a jdm gone ricer!!! haha. dont mine my response cuz its your car so do what ever pleases you tho. just giving my 2cents
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From: where mudguards die
Re: ((((((((----EG Hatch Thread----PT 2 )))))))))