#24860 - 08/12/05 08:06 PM
got my dynomax mufflers
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Registered: 04/10/05
Posts: 61
Loc: Greenvillle,S.C.
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well got them put on a week ago and they are great. not too much rumble and better than stock sound. next step is a high flow cat and new pulley. am i going to be close to 300 bhp or do i need anymore mods?
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2000 GTP,K&N W/ HOME-MADE INTAKE TUBE,CLEAR CORNERS,18%TINT,DYNOMAX MUFFLERS,DUAL TIPS,18's
Racing a Honda is like being in the Special Olympics.even if you win you are still retarded
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#24861 - 08/12/05 08:17 PM
Re: got my dynomax mufflers
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Member
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Registered: 03/07/05
Posts: 5158
Loc: Southern KY
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You're expecting to jump 60hp with a new intake, muffs, and cat? That's somewhat ambitious. I would expect you to be in the area of 260hp with those mods. I'd advise you drop the money on PCM, 3" downpipe and full 3" or 2.5" custom exhaust (instead of just muffs). Drop to a colder range plug and pop on a smaller pulley.
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'13 Mustang 3.7V6 - MT82 '00 GP SE (L67 Swap, XP, Headers, 3.25") '98 GTP, '01 Bonne
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#24862 - 08/12/05 08:18 PM
Re: got my dynomax mufflers
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Member
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Registered: 05/05/03
Posts: 868
Loc: charlotte, nc
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i'd have to agree with rook on that one, i seriously doubt that you have that much hp. with some more mods though, you'll be there. congrats on your new sound coming out of that gp's backside!
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charlie black 98 gtp sedan, 222,000 and running great with the new used tranny! zzp 3" d/p aluminized dhp 1.0
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#24863 - 08/12/05 10:04 PM
Re: got my dynomax mufflers
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Registered: 05/23/03
Posts: 8078
Loc: Austin, TX
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Yup, you'll need a PCM, 3" D/P, and one range colder plugs to help control KR you'll be getting from the pulley. KR will kill your HP. Here's my dyno sheet from last year. KR killed my horsepower. This was with a 3.4", PCM, CAI, U-bend delete, and Flowmaster 40's. I've since installed 3" D/P and colder plugs. Butt-dyno notice a huge difference. Haven't had a chance to get back on an actual dyno, yet.
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Bobby Died 5/1/08, resurrected 5/15/08 ASCD SD hood, 17" Bullitts, Overkill PCM, 3.4" Pulley, NGK TR55IX, K&N 9" cone filter, JimmyC D/P, U-bend removed, Flowmaster 40 series, Hooker big bore tips with resonators, S/B brake lines, drilled/slot rotors, GMPP handling kit, KYB struts, F&R strut supports, HID's, LED's, 2.5" Air Dam, red GTP overlays on custom badges, white rear insert.
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#24864 - 08/13/05 12:12 AM
Re: got my dynomax mufflers
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Member
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Registered: 07/07/05
Posts: 93
Loc: Sioux City, Iowa
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Can you get a recording of your mufflers on here? I was thinking about those dynomax, would like to hear what they sound like.
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#24865 - 08/13/05 09:03 AM
Re: got my dynomax mufflers
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Member
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Registered: 03/07/05
Posts: 5158
Loc: Southern KY
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'13 Mustang 3.7V6 - MT82 '00 GP SE (L67 Swap, XP, Headers, 3.25") '98 GTP, '01 Bonne
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#24866 - 08/13/05 09:06 AM
Re: got my dynomax mufflers
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Member
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Registered: 04/10/05
Posts: 61
Loc: Greenvillle,S.C.
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ok maybe a little ambitious i just wanted to know what the board thought my current hp would be. the pulley and high flow cat with 2.5 exhaust is going on soon, now that i found a guy that can do the work.... i wont be able to get sound links for awhile,ill be moving soon.sorry hawkeye,,, but the good news is that i can get 95 octane from my local gas station. dam i guess i got bitten by the bug
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2000 GTP,K&N W/ HOME-MADE INTAKE TUBE,CLEAR CORNERS,18%TINT,DYNOMAX MUFFLERS,DUAL TIPS,18's
Racing a Honda is like being in the Special Olympics.even if you win you are still retarded
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#24867 - 08/13/05 09:16 AM
Re: got my dynomax mufflers
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Member
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Registered: 04/10/05
Posts: 61
Loc: Greenvillle,S.C.
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You're expecting to jump 60hp with a new intake, muffs, and cat? ....no w/ a pulley and 2.5 exhaust new intake, muffs, and cat.
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2000 GTP,K&N W/ HOME-MADE INTAKE TUBE,CLEAR CORNERS,18%TINT,DYNOMAX MUFFLERS,DUAL TIPS,18's
Racing a Honda is like being in the Special Olympics.even if you win you are still retarded
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#24868 - 08/14/05 12:07 AM
Re: got my dynomax mufflers
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Member
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Registered: 03/07/05
Posts: 5158
Loc: Southern KY
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You had better get a 3" DP with the new cat, and I'd highly suggest a PCM. Those things can do wonders for killing KR and increasing performance.
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'13 Mustang 3.7V6 - MT82 '00 GP SE (L67 Swap, XP, Headers, 3.25") '98 GTP, '01 Bonne
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#24869 - 08/14/05 08:14 AM
Re: got my dynomax mufflers
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Member
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Registered: 04/10/05
Posts: 61
Loc: Greenvillle,S.C.
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PCM? not sure how much KR they kill and how much performance they give,,except removing top speed limit, and changing shit points. true a down pipe is next after the plugs.
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2000 GTP,K&N W/ HOME-MADE INTAKE TUBE,CLEAR CORNERS,18%TINT,DYNOMAX MUFFLERS,DUAL TIPS,18's
Racing a Honda is like being in the Special Olympics.even if you win you are still retarded
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#24871 - 08/14/05 10:12 AM
Re: got my dynomax mufflers
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Member
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Registered: 04/10/05
Posts: 61
Loc: Greenvillle,S.C.
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never knew that the pcm remaps fuel/air tables. thanks herc now i know and knowing if half the battle,,,haha
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2000 GTP,K&N W/ HOME-MADE INTAKE TUBE,CLEAR CORNERS,18%TINT,DYNOMAX MUFFLERS,DUAL TIPS,18's
Racing a Honda is like being in the Special Olympics.even if you win you are still retarded
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#24872 - 08/14/05 05:24 PM
Re: got my dynomax mufflers
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Member
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Registered: 09/12/03
Posts: 14035
Loc: Fort Worth, Texas
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#24873 - 08/14/05 07:48 PM
Re: got my dynomax mufflers
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Member
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Registered: 03/07/05
Posts: 5158
Loc: Southern KY
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bigant, the pcm controls a lot of things, including timing advance (and retard) which can also help in squeezing out more performance.
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'13 Mustang 3.7V6 - MT82 '00 GP SE (L67 Swap, XP, Headers, 3.25") '98 GTP, '01 Bonne
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