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#1
04-25-2003, 12:26 PM
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Just Recently Put In A 2 And A Half Pipe
ALL OF A SUDDEN IM LOSING THE BACK END TORQUE...ANY QUICK MODIFICATION SO THAT I COULD GAIN THIS TORQUE BACK BESIDES REVERTING BACK TO A 2" PIPE...ENGINE IS STILL THE STOCK SOHC FROM THE 91 SI WHICH IS THE D16AZ I BELIEVE
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DJ koolaid - I don't think anything is unrealistic if you believe you can do it. I think if you are determined enough and willing to pay the price, you can get it done. 
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#2
04-25-2003, 12:42 PM
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gotta revert back to 2" piping if you wanna get the back pressure back, not to mention that your car probably sounds like shit with the larger piping.
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 AF Bay Area Crew 97 Toyota T100 xcab 3.4l v6 5spd 2wd
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#3
04-25-2003, 01:30 PM
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IT SOUNDS PRETTY LOUD...LOL
ITS LIKE I WENT FROM A PIPE TO A BONG....
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DJ koolaid - I don't think anything is unrealistic if you believe you can do it. I think if you are determined enough and willing to pay the price, you can get it done.
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#4
04-25-2003, 02:04 PM
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what do you mean by back-end?? My SOHC d15b2 got stronger at anything above 5K with my 2.25" pipe and turbo muffler.
 And it only has 92 HP to start with. I love my sleeper exhaust. Just need that damn ZC in there 
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-Shawn '91 Civic DX sedan DOHC ZC, I,H,E, urethane bushings and mount inserts, rock chipped hood, some rust, stock steelies, nice comfy Integra seats, and the A/C works! What else could you want from an 18 year old car with 241,000 miles? Working on getting the Si tranny in now 
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#5
04-25-2003, 03:39 PM
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any backpressure at all = bad.
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#7
04-25-2003, 06:22 PM
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no back pressure = torque at higher rpm.
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#9
04-25-2003, 07:36 PM
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HMMMMM...
__________________
DJ koolaid - I don't think anything is unrealistic if you believe you can do it. I think if you are determined enough and willing to pay the price, you can get it done.
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#10
04-25-2003, 08:46 PM
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all the ideas about backpressure really depend on each individual situation.
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#14
04-27-2003, 01:27 PM
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2 1/4" pipe seems ideal for a mildy modified engine. If you are getting crush bent piping, i would suggest 2 1/4" on the straight, and where it starts bending, go to 2.5" as the crush bends tend to restrict the pipe.
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#15
04-27-2003, 01:40 PM
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Quote:
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" Owning a Type-R is like being married to a southern woman, you have to beat the shit out of it before it does anything" -ME I'm the SPCA for EF's 2 88 crx si's 90 crx hf 90 crx si 89 civic dx 91 civic std New edition - 90 civic std
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