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Anyone with true duals ever have their car dynoed? Does true duals sound any different or better than a really good cat-back?
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1996 Polo Green Metallic Camaro:<br />SLP CAI, Carsound/Magnaflow 3\" in/out cat, Flowmaster 2.5\" cat-back... sounds great -
I'm getting my care dynoed on the 17th. I like it better than any cat back I've heard2000 Firebird. Whisper Lid, True duals, TSP mail order tune, Built Tranny , TCI 2800 stall verter, B&M tranny cooler, Eaton LSD, 3.42 gears. Current best ET. 15.232 89.09 MPH 2.175 60ft on stock 3.42\'s and open diff.<a href=\"http://www.geocities.c -
The LS1 guys don't seem to think true duals have any benefit over a 3" cat-back other than the sound preference. But its a fact that air flows better through one big pipe than it does through two smaller pipes, so you be the judge. Most duals also become your lowest part beneath your car so if you're lowered you might wanna consider that.
I'm interested in seeing what Timbo's results are though. Are you gonna have before and after dyno's or just an after?2002 Black Firebird:<br />A4, Y87, W68, T-tops<br />Best NA ET: 15.16 @ 90<br /> <a href=\"http://members.cardomain.com/darksde02\" target=\"_blank\">http://members.cardomain.com/darksde02</a>Comment
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Timbo: What kind of muffler(s) do you have, and do you have any sound clips? :DMassivefirebird\'s <a href=\"http://www.cardomain.com/id/leondb\" target=\"_blank\">(leonDB) Cardomain</a><br /><a href=\"http://www.flowmastermufflers.com/cgi-bin/flowmaster\" target=\"_blank\"> Flowmaster 80</a>, <a href=\"http://www.knfilters.com/\" target=\"_blank\"> K&N FIPK</a>, <a href=\"http://www.jetchip.com/\" target=\"_blank\"> Jet Stage 2 & 180º T/S</a>, <a href=\"http://www.boschusa.com/AutoParts/SparkPlugs/PlatinumPlus4/\" target=\"_blank\"> Bosch quads</a>, <a href=\"http://www.pilotautomotive.com/pilot2dn.htm\" target=\"_blank\"> Pilot 1055 Fogs</a>, <a href=\"http://makotoautotrends.com/\" target=\"_blank\">Clear turn signals</a>, <a href=\"http://www.autoventshade.com/\" target=\"_blank\">AVS rear blackouts</a>... <a href=\"http://www.massiveaudio.com\" target=\"_blank\">2 Massive CW 12\'s</a>, <a href=\"http://www.kicker.com\" target=\"_blank\">Kicker 2252, 652,& 352 XI Amps</a>, <a href=\"http://www.mbquart.com/2003/en_US/home/\" target=\"_blank\">MB Quart</a>.Comment
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I know that the Z-28's were rated at 275 HP and in 96 the Z-28's were all rated at 285 HP. The 10 HP increase was because in 1996 using dual catalytic converters become standard. Now the Z-28's have a lot more exhaust flow than us, but I am assuming there would be a slight HP benefit from going true dual, or maybe just 2 cats after the headers and then the Y-pipe, but the HP benefit would probably be very slight. I would still like to know though, it is interesting, especially on a V6.1996 Polo Green Metallic Camaro:<br />SLP CAI, Carsound/Magnaflow 3\" in/out cat, Flowmaster 2.5\" cat-back... sounds greatComment
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how did you get duals put under your camaro, how did they run the pipe and what size? i had 3 inch put on mine after deciding that i would be able to go duals. i am really happy with my 3 inch, made the sound much deeper and got rid of alot of the ricey sound.1997 Camaro RS<br /><br />3\" Flowmaster Exhaust,Pacesetter headers,Catco Cat,Cold Air Intake,Clear bumper lights altezzas,chrome rear bumper letters,chrome badges, headlight conversion kit(soon to come),2 12 MTX Thunder 8000, MTX 6500d amp, Fosgate 1 farad capComment
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you shouldnt gain horse from an extra cat... they changed something else for that 10 extra horse i thought.\'94 Firebird, 3.4 M5.<br />Arctic white w/ red anniversary stripe. ASP underdrive pulley set, Magnaflow 2.5\" stainless catback, CAT, Pacesetters, K&N FIPK2, 1000 watt stereo system capped 1F, Eagle Alloys 16\" 077\'s, 180 Deg. Thermo.Comment
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I don't know, I have the Encyclopedia of American Cars 2002 Edition and that is where it says that 10 extra horse came from.1996 Polo Green Metallic Camaro:<br />SLP CAI, Carsound/Magnaflow 3\" in/out cat, Flowmaster 2.5\" cat-back... sounds greatComment
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