MAC or Flowmasters?? Please give opinions.
 

I am getting ready to purchase a new H or X pipe and exhaust system. I am torn between the MAC Flowpath and Flowmaster 2-chamber. Any opinions welcome. Also, would the car make more power with an off-road H and equal length shorty, or with an off-road X and keeping the stock headers? I am having a hard time with this decision because I am spending a whole week's paycheck and don't want to be unhappy.
I really like the sound of an X-pipe, but would like to replace the entire system at once. The previous owner of my car cut out the stock h-pipe and welded in two straight pipes(no "H") back to some cheapass mufflers.
Please help.

Do a search for mac and flowmaster. There have been numerous posts lately about that.

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Clint L.
White 95 Cobra #3637
58cc GT40X heads with mild porting, Crane 2031 cam, FRPP 65 TB, 1.7s, Cobra intake, homeade cold air, 155lph, pullies, Tokico Illuminas, C springs, GW LCAs, Kenny Brown super subs, Steeda CC plates, aluminum driveshaft, Steeda quadrant, B&M ripper, Kirban FPR, MSD6A, Taylor wires, Mac shorties, off road hpipe, 2 1/2 ultra flows w/ dumps, R hood, Euro clear corners, stock 3.08s
13.61 @ 104.7 w/ 2.22

Flows...

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87 GT, 4 inch cowl hood,17x9 Cobra R's/255/45's,GT-40 heads,Crane 2031, Edelbrock intake, long tubes headers,h-pipe,Flows,BBK cold air, Mass air,70mm MAF, 1.7's, 1" spacer,underdrive pulleys,Pro 5.0, King Cobra, Adj. fuel Reg., Lakewood Lift Bars,50/50's,subframes, 4.10's.
Best time 12.759
Best MPH 106.79
Best 60' 1.695

Visit my site at:
http://www.geocities.com/cobrar93_2000/MyPage.html

I have heard both and decided on the MAC. The Flowpaths have a meaner rumble and don't sound as hollow as the Flowmasters. The only thing I don't like about MAC stuff is the coating. It doesn't hold up. But lets face it... it's exhaust components so no real biggie. Plus, MAC's Pro Chamber crossover is the best flowing crossover you can get for the money. If I didn't get the MAC crossover I would have gone with the Dr. Gas X-pipe.

I'd highly suggest installing a set of long tubes along with everything else. If you don't and you want to go with long tubes later you'll have to buy another crossover. People say that adding long tubes will hurt low end torque on a stock engine. I installed them on mine when it was completely stock and it made a huge difference in power all the way accross the RPM range.

Here is a sound clip of my car with a full MAC exhaust system consisting of long tubes, Pro Chamber, and cat-bac. http://www.mustangwarehouse.com/sounds/sample002.wav

Take into consideration that this was recorded when my car was completely stock. It sounds even meaner now with the heads, cam, intake, and all the other mods.



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Too much to list. Best ET on the car so far with stock 2.73 gears - 13.73@102mph

Indiana Stangers Association
Buy your parts here
ICQ# 42269241

MAC all the way. Pro dumps and an off road h are what are on my stang. I have guys with Flows asking how my var sounds soooo mean. I love my Mac stuff, and my HTS coating is holding up great.

LightEm Up!!! http://www.mustangworks.com/msgboard/smile.gif

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My 87 GT....Marbles http://cwm.ragesofsanity.com/contrib/icw/019.gif
AIM: Marbles87Fox
Light Em Up!!!:)

i have full Mac exhaust and i think it sounds awsome...not hollow like flowturds..mac has a deeper sounds

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'91 GT,91K,T-5,air silencer removed,racing clutch(previous owner put in so dont know what kind),K&N air filter,Mac long tubes,Cat-back,off road H,FMS 9mm wires,Competition gauges,C&L 76mm MAF

Waiting install:TFS street heat,Accufab TB

Future Mods:3.73's,Pro 5.0,TFS heads,TFS stage 1 cam,lakewood struts/shocks,nitto DR's
ICQ#35670781
http://www.mustangworld.com/mpics/mwl1.gif

I wanted something that would make power, so I went with Magnaflows. Even with an offroad x pipe and dumps, my car is still quieter than most mustangs I've heard. If you want to make noise, go with the Mac or Flowmasters. If you want to make power, go with the Magnaflows or a set of Dynomax Ultraflows.

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1989 LX 5.0 Coupe
1992 LX 5.0 Convertible

Moderator SN95.com, Stangtec.com

I have had both, I prefer the MAC's...deeper sound.

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fordgasm
CLICK HERE to see my 87 GT

ive had both also and i will put MAC on all my cars 4 now on

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1987 black notch(ex 4 banger)
DSS 306 w/ main support...Elderbrock 6028 heads..gt-40 intake..24# injectors...70 mm tb..77 pro-m...accel 300+..mac full legnth..tremec w/ pro5oh...full MAC exhaust,off road h-pipe,long tubes, catback...ron davis radiator..subframes, control arms...CFDF II..o yea holley FPR sucks..dont buy one..
AIM=onesillynotch
http://cwm.ragesofsanity.com/contrib/owen/scatter.gif

Where's the cheapest place to get the MAC 2.5" Cat-back with SS Tips?? Mustangs Unlimited has them for $239.99.