Best performance exhaust?

Sonics2042 · 09-18-2001, 02:21 PM

Hello,

I wanted to buy an exhaust and my primary concern is performance. My car is relatively stock for the most part. Should I go for 2.5" or 3"?

What is the best exhaust for performance? What is the best deal for a high performance exhaust?

Thanks,
DoranW

Chevyguy · 09-18-2001, 03:26 PM

Hmm that question is kinda like asking what chick has the best rack etc. Everyone will have a different answer

Anyhoo here's my 0.02

Since your car is "mostly stock" I would stick with a 2.25 or 2.5" exhaust. Bigger isn't always better, the 3" pipes would hurt your torque and maybe your overall performance as well. Many Big block Chevys run pretty hard with 2.5" pipes on the street.

For strict high horsepower racing etc, especially with 347 or more cubes the 3" pipes will let you breathe better at high RPMS

------------------
Frank W
90 5.0 LX coupe Daily driver. Silencer removed, K&N filter. Flexalite fan, 3 core radiator. FMS flywheel and Clutch, FMS blue wires Energy Suspension end links
88 Notch 2.3L 5 speed Parts/beater car My two Notchbacks

74 Chevy Laguna Type S-3 305 Finally fixed getting a 454 to put in garage
<A HREF="http://www.chevellepages.com/folingo" TARGET=_blank>www.chevellepages.

Sonics2042 · 09-19-2001, 04:43 PM

Anyone else have any ideas about exhaust? I would like the gain the most performance for the buck (ie: no borla), and Flowmaster is too loud for me. I want my car to be a sleeper, but aggressive on WOT.

Any ideas?

Thanks,
Sonics2042

jetuomi · 09-19-2001, 04:55 PM

MAC mufflers outflow all others (according to MAC) and are loud as hell (I've heard many sets of them, with and without off-road H-pipes)

I'm this close ' ' (haha) to buying 2.5" MAC cat-back, after months of reading, I think they'll be the best for my car now and in the future..
(mainly stock now, hopefully upto 325HP within 2 years)

BUT, if you want a quieter performance cat-back, check out Dynomax, very quiet, adds a bit of HP and torque on a stock car too..

hope that helps..

------------------
94 GT (triple black)
FMS 9mm / 95 17" Cobra R's / AL Driveshaft / 3.27's
K&N, 12* timing, MSD Coil, 180* thermostat, 190 lph
MAC Shifter/Gauges/Pedals, Euro Clear Projectors & Corners
My CAR!

84LX89GT · 09-19-2001, 11:21 PM

I have an offroad H-pipe, 1 5/8" shorty headers, and Flowtech Stinger cat-back exhaust. It's about as loud as a 2001 stock GT mustang (or quiet, however you look at it). It has a nice deep, but subtle idle and has a throaty sound when you get on the gas, and it doesn't have any drone. I wanted quiet performance exhaust and was kinda dissapointed because i wanted it to be as loud as a Flowmaster 3 chamber, but it's actually quieter. This is on my '84.

------------------
previous name: 84stangLX
'84 Mustang 5.0 LX
my LX
'89 Mustang GT
my GT

09-18-2001, 02:21 PM	#1
Sonics2042 Registered Member Join Date: Jul 2001 Location: Seattle, WA Posts: 381	Best performance exhaust? Hello, I wanted to buy an exhaust and my primary concern is performance. My car is relatively stock for the most part. Should I go for 2.5" or 3"? What is the best exhaust for performance? What is the best deal for a high performance exhaust? Thanks, DoranW

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09-18-2001, 03:26 PM	#2
Chevyguy Backyard Mechanic/Chemist Join Date: Feb 2001 Location: Acton MA USA Posts: 435	Hmm that question is kinda like asking what chick has the best rack etc. Everyone will have a different answer Anyhoo here's my 0.02 Since your car is "mostly stock" I would stick with a 2.25 or 2.5" exhaust. Bigger isn't always better, the 3" pipes would hurt your torque and maybe your overall performance as well. Many Big block Chevys run pretty hard with 2.5" pipes on the street. For strict high horsepower racing etc, especially with 347 or more cubes the 3" pipes will let you breathe better at high RPMS ------------------ Frank W 90 5.0 LX coupe Daily driver. Silencer removed, K&N filter. Flexalite fan, 3 core radiator. FMS flywheel and Clutch, FMS blue wires Energy Suspension end links 88 Notch 2.3L 5 speed Parts/beater car My two Notchbacks 74 Chevy Laguna Type S-3 305 Finally fixed getting a 454 to put in garage <A HREF="http://www.chevellepages.com/folingo" TARGET=_blank>www.chevellepages.

09-19-2001, 04:43 PM	#3
Sonics2042 Registered Member Join Date: Jul 2001 Location: Seattle, WA Posts: 381	Anyone else have any ideas about exhaust? I would like the gain the most performance for the buck (ie: no borla), and Flowmaster is too loud for me. I want my car to be a sleeper, but aggressive on WOT. Any ideas? Thanks, Sonics2042

09-19-2001, 04:55 PM	#4
jetuomi Registered Member Join Date: Dec 2000 Location: Waterloo, ON, Canada Posts: 214	MAC mufflers outflow all others (according to MAC) and are loud as hell (I've heard many sets of them, with and without off-road H-pipes) I'm this close ' ' (haha) to buying 2.5" MAC cat-back, after months of reading, I think they'll be the best for my car now and in the future.. (mainly stock now, hopefully upto 325HP within 2 years) BUT, if you want a quieter performance cat-back, check out Dynomax, very quiet, adds a bit of HP and torque on a stock car too.. hope that helps.. ------------------ 94 GT (triple black) FMS 9mm / 95 17" Cobra R's / AL Driveshaft / 3.27's K&N, 12* timing, MSD Coil, 180* thermostat, 190 lph MAC Shifter/Gauges/Pedals, Euro Clear Projectors & Corners My CAR!

09-19-2001, 11:21 PM	#5
84LX89GT Mustangs Join Date: Jul 2000 Posts: 1,938	I have an offroad H-pipe, 1 5/8" shorty headers, and Flowtech Stinger cat-back exhaust. It's about as loud as a 2001 stock GT mustang (or quiet, however you look at it). It has a nice deep, but subtle idle and has a throaty sound when you get on the gas, and it doesn't have any drone. I wanted quiet performance exhaust and was kinda dissapointed because i wanted it to be as loud as a Flowmaster 3 chamber, but it's actually quieter. This is on my '84. ------------------ previous name: 84stangLX '84 Mustang 5.0 LX my LX '89 Mustang GT my GT