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24th September 2002, 06:42 PM
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Header and exhaust help...
I am considering buying the 4 into 2 into 1 header from Moss motors for the low and midrange power and also a dual exhaust unit, my question is, which exhaust is the most quiet, and is there any gas milage improvement. Thanx for the help!
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24th September 2002, 07:15 PM
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Re: Header and exhaust help...
Welcome to the fold!
Sounds like the Hedman header! I have that one & don't notice a difference at all! As a matter of fact, my 1/4 mile times are slower NOW, than they were a year ago not only with THAT addition, but an upgraded Whipple (supercharger) computer, Crane's ignition system, & Carrol's fuel management system (and what was already on the car for BOTH track visits, Cran's plug wires, a freer flowing intake, & PT Tuning's single cat/back exhaust)! ALL of which SHOULD have improved power & times! Last edited by Overtake : 25th September 2002 at 09:17 AM. |
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25th September 2002, 04:00 AM
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I have a Borla exhaust and it's fairly quiet. Gas mileage, on the highway, has gotten better.
RN
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Silver 2001 Limited Edition 5-speed, early build: far too many mods to list 2004 Subaru Impreza WRX STi - crank pulley, removed intake silencer, EBC, UTEC, rear swaybar and endlinks, 4-point harness 13.155 @ 102.02 mph - stock http://www.schoolsubjects.com/sti/video/ |
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25th September 2002, 09:21 AM
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BTG used here. looks & sounds great.
Planning on adding the hedman too.
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Cool Vanilla 04 GT 5 speed; S1, custom silencer mod, K&N drop-in, AMX1397 TTAB pipe, UCP, Ventshades, badges removed, coilovers, Mopar Stage 1 Sway bars, Freedom strut bar, PTeazer retro grill, bumperette, cowl induction hood, rollpan & other assorted painted body parts . Member of www.mnptcruiserclub.org MAC (Minnesota Autosports Club) Novice AutoX Day 
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25th September 2002, 03:51 PM
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Header and exhaust help
Bought a BTG Dual Cat/back system from PT-Tuning. I really liked the mellow sound. Then, I added a JBA header and the sound changed drastically, although, I can't say I got any more performance. I'm the daily driver so I don't mind the sound but some riders don't care for it...too loud.
 PTPink
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02 Ltd. Ed., Patriot Blue. BTG Performance Springs, H&R Struts & Shocks, Keystone dual scoop hood, Whipplecharger kit, PT Fueler, BTG Dual Cat/back Exhaust with flanges, JBA header, Airaid Intake System, English Burl dash kit and steering wheel, 18' Moda wheels and Conti tires, Muth signal heated mirror kit, Kustom Kruzr license bracket and auto shift kit, Xenon flush mount rear spoiler, Color Matching Paint on bumpers, pillar posts, side mirrors, and WeatherTech Windflectors. |
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25th September 2002, 05:22 PM
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I have hedman 4-2-1 header with bassoni single catback and airaide intake. I leave the baffle in .... When I floor it things build to cresendo @3500 rpm's read loud. At highway speeds I have to say this exhaust is much quieter than stock head pipe/dynomax turbo setup that I was running previously. I can't give you any data about just header install and milage etc. because all my work was done together ie cams ,header,airaide, bassoni. However, I can tell that with this setup highway mileage wasn't hurt as I still achieved highway mileage of 29.85 and 30.6 on trips. Granted this is using cruise control and running around 70. My around town milage has suffered 'cuz I can't keep my damn lead foot out of it. But even so the lowest I've gotten is 19.48 and highest around 22.66 around town.
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'03 EBlue GT 5sp|addco aftermarket front/rear oversize sways|wildfire strut bar| E&G billet grill|color matched: xenon sides/"crusher" ,rear muds,b/c pillars, interior consoles and oem rear spoiler|B&M sport shifter|Mopar STG 1& bov| 6 autometer gauges|tinted front windows/windshield|custom flamed seat covers|"booger" shifter/tranny bushings|psi-fi ppq|3"maxxfab dp,hi-flo cat to 2.5"ATR single exhaust| |
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25th September 2002, 06:59 PM
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Exhaust ????
OK so far I have gotten some good advice, well except from overtake....LOL Hey overtake try making one change at a time, then make a pass! OK all joking aside, I guess I should add that I am a new owner of a used 01 white LE, auto, I added, xenon bumper covers and aero kit color matched with a stull grill. Now how does a automatic affect a header and exhaust system. Is there a Mopar exhaust system if so is it any good? What is a BTG system? Also is a powder coated header going to last? Or should I consider a ceramic coat? Thanks agaian for all the input!
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26th September 2002, 04:18 AM
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Re: Exhaust ????
Quote:
BTG is from PT-Tuning!
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Cool Vanilla 04 GT 5 speed; S1, custom silencer mod, K&N drop-in, AMX1397 TTAB pipe, UCP, Ventshades, badges removed, coilovers, Mopar Stage 1 Sway bars, Freedom strut bar, PTeazer retro grill, bumperette, cowl induction hood, rollpan & other assorted painted body parts . Member of www.mnptcruiserclub.org MAC (Minnesota Autosports Club) Novice AutoX Day
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26th September 2002, 08:37 AM
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Re: Re: Exhaust ????
Quote:
IF you're going to get a dual exhaust, I'd go with the BTG - it has a much smoother exhaust flow - has a "Y" pipe that spilts exhaust between driver & passenger sides - others dump all exhaust into muffler on driver's side, then send some back to passenger side. It's stainless. JBA and Borla are stainless steel, which should outlast you, Hedman isn't.
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'05 Limited (Silver, of course)Turbo Lite, Auto, 4-wheel ABS, Sunroof, spoiler. E&G Classic Grill, K&N FIPK, BTG Dual exhaust, $20 catch can, Aoogah horn, LED washer lights, Sunroof deflector, Weathertech window deflectors, Fuzzy dice, Alteeza Gen3 taillights, rear lowered 1.5", rear sway bar, hood struts, Freedom Design strut bar. Traded in 2002 Silver Touring Edition, ABS, Sunroof, Auto w/87,000 miles. 
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