New exhaust installed

GhettoPop · 07-16-2003, 10:05 PM

Just took the first ride in my 90 GT since I replaced the stock exhaust with an o/r x-pipe, new O2 sensors, and a 2.5" Magnaflow SS exhaust. Even though the motor is stock, it sounds awesome! Just like I wanted, quiet at idle, comes alive over 2000 rpm's! The Magnaflow system was around $320 shipped from Brothers, great quality and a low agressive tone. At first the tips would not clear the GT rear bumper but a little work got both tips to line up nice.

One quick question. H-pipe vs. X-pipe:

H-pipe= cheaper, louder
X-Pipe=small horsepower increase (very very small)

Are the H's really THAT much louder than x's?

VeNuM · 07-17-2003, 08:50 AM

I have shorty headers and an offroad h-pipe and the Magnaflow SS catback. It's throaty at idle, not quiet like a stock Mustang. Whenever you tap the gas it comes alive, even at 1500 it has some decibles to the tone. It has a very nice sound to it though. I have contemplated about getting an x-pipe though, little more horsepower and little quieter like you said. ~Brian

GhettoPop · 07-17-2003, 01:40 PM

The straight through design of magnaflow mufflers and an o/r x-pipe, will the loss of back pressure hurt low-end torque?

07-17-2003, 02:54 PM

Quote:

Originally posted by GhettoPop
The straight through design of magnaflow mufflers and an o/r x-pipe, will the loss of back pressure hurt low-end torque?

No, you shouldn't lose any low end torque. Just keep your tailpipes on. Putting turn downs on can take away some low end torque. It definitely did when I tried that on my '90 GT.

VeNuM · 07-17-2003, 03:11 PM

Like Simi Stang said, you won't lose any torque, and the hp will climb a little bit. The x-pipe helps in getting the most out of a dual exhaust system. ~Brian

bigred90gt · 07-17-2003, 09:46 PM

Quote:

Originally posted by VeNuM
I have shorty headers and an offroad h-pipe and the Magnaflow SS catback. It's throaty at idle, not quiet like a stock Mustang. Whenever you tap the gas it comes alive, even at 1500 it has some decibles to the tone. It has a very nice sound to it though. I have contemplated about getting an x-pipe though, little more horsepower and little quieter like you said. ~Brian

I wouldnt necessarily say its quieter, but it definately has a different sound. The H pipe has a raspier, old school muscle car sound, and the x has a cleaner more eaqualized sound.

Caymon

VeNuM · 07-18-2003, 09:30 AM

I've heard a guy with a stock type engine with an offroad x-pipe and Borla catback (very similar to Magnaflow) and I would say it's a notch quieter than my car. Maybe it's just because of the different tone though. ~Brian

07-16-2003, 10:05 PM	#1
GhettoPop Gimme a Drink! Join Date: Dec 2002 Location: NYC Posts: 694	New exhaust installed Just took the first ride in my 90 GT since I replaced the stock exhaust with an o/r x-pipe, new O2 sensors, and a 2.5" Magnaflow SS exhaust. Even though the motor is stock, it sounds awesome! Just like I wanted, quiet at idle, comes alive over 2000 rpm's! The Magnaflow system was around $320 shipped from Brothers, great quality and a low agressive tone. At first the tips would not clear the GT rear bumper but a little work got both tips to line up nice. One quick question. H-pipe vs. X-pipe: H-pipe= cheaper, louder X-Pipe=small horsepower increase (very very small) Are the H's really THAT much louder than x's?

07-17-2003, 08:50 AM	#2
VeNuM Registered Member Join Date: Apr 2002 Location: Downers Grove, IL Posts: 464	I have shorty headers and an offroad h-pipe and the Magnaflow SS catback. It's throaty at idle, not quiet like a stock Mustang. Whenever you tap the gas it comes alive, even at 1500 it has some decibles to the tone. It has a very nice sound to it though. I have contemplated about getting an x-pipe though, little more horsepower and little quieter like you said. ~Brian __________________ 1989 Black Mustang GT Hatchback, Underdrive Pulles, Electric Fan, Cold Air Intake, Headers, Offroad H-Pipe, Magnaflow catback, Steeda Tri-Ax, Fluidyne Aluminum Radiator, Timing at 14*, 3.73's Coming not so soon: 408w Ricer Hater's Club Member #59

07-17-2003, 03:11 PM	#5
VeNuM Registered Member Join Date: Apr 2002 Location: Downers Grove, IL Posts: 464	Like Simi Stang said, you won't lose any torque, and the hp will climb a little bit. The x-pipe helps in getting the most out of a dual exhaust system. ~Brian __________________ 1989 Black Mustang GT Hatchback, Underdrive Pulles, Electric Fan, Cold Air Intake, Headers, Offroad H-Pipe, Magnaflow catback, Steeda Tri-Ax, Fluidyne Aluminum Radiator, Timing at 14*, 3.73's Coming not so soon: 408w Ricer Hater's Club Member #59

07-18-2003, 09:30 AM	#7
VeNuM Registered Member Join Date: Apr 2002 Location: Downers Grove, IL Posts: 464	I've heard a guy with a stock type engine with an offroad x-pipe and Borla catback (very similar to Magnaflow) and I would say it's a notch quieter than my car. Maybe it's just because of the different tone though. ~Brian __________________ 1989 Black Mustang GT Hatchback, Underdrive Pulles, Electric Fan, Cold Air Intake, Headers, Offroad H-Pipe, Magnaflow catback, Steeda Tri-Ax, Fluidyne Aluminum Radiator, Timing at 14*, 3.73's Coming not so soon: 408w Ricer Hater's Club Member #59

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07-17-2003, 01:40 PM	#3
GhettoPop Gimme a Drink! Join Date: Dec 2002 Location: NYC Posts: 694	The straight through design of magnaflow mufflers and an o/r x-pipe, will the loss of back pressure hurt low-end torque?