Exhaust Ideas.....I can't decide

Mister Gray · May 17th, 2010, 01:18 PM

Ok my car should be ready to have some new pipes on it in a few days. Now I'm trying to decide what to go with

To start I want to say money isn't an issue. As I have stated my uncles own an exhaust shop so all of its going to custom made with what ever I like

I'm planning on going with an X pipe with Flowmaster 40's and well.....Reducing those 6 converters to 2 or none.

They could bend the pipes and do it as well as put inserts for the oxygen sensors to go in but my concern is actually losing low end power (the only kind I really care about as the longest strip around here is an 1/8th mile track). I already have short tube headers.

As I stated before I've seen it done on a 97 nPI and it killed the power IMO. The engine Im using is a 01 PI Engine but I have the Coil setup from a pre COP (using a 97 ECU). I could send the ECU off later and get the Oxy's taken care of to eliminate the problem later I just want to ride the damn thing now

Someone convince me 1 way or the other please!

dcook_14 · May 17th, 2010, 01:29 PM

I heard you say this in another thread, but going with an o/r midpipe (one with no cats) doesn't kill any down low power. There is a little less backpressure so it's technically going to suffer a little bit, but not enough to notice. I'd go with a different muffler if you want an x pipe though. X pipes sound best with straight thru mufflers and H pipes sound good with chambered mufflers.

I'd do a full 2 1/2" exhaust with an o2 sensor mounted close to the header flange on each pipe, then the X over, then hook up with some SLP LMII's or Magnaflow Magnapacs, then regular flowtubes from there with nice tips to finish it off

HotRodGT · May 17th, 2010, 01:43 PM

hey cook i think you have it backwards. straight through mufflers sound like ass with an x-pipe. way too raspy. or at least it is in my case.

so its x-pipes with chambered or h-pipes with straight through

I8ACMRO · May 17th, 2010, 01:51 PM

^wrong. It is H w/ chambers and X w/ straight through.

EDIT: All will sound raspy w/ an O/R X but it's way more raspy w/ chambered mufflers than it is w/ straight through

HotRodGT · May 17th, 2010, 01:53 PM

oh damn it!!

i thought i had learnt something

SS Ball3r · May 17th, 2010, 01:56 PM

dont do flowmasters. Everyone has flowmasters and they dont sound that good. There are a lot of better mufflers out there.

dcook_14 · May 17th, 2010, 01:58 PM

yeah sorry wrenchead you have it backwards. these engines are raspy, the best way around it is an H pipe and chambered mufflers.

HotRodGT · May 17th, 2010, 01:58 PM

^like spintech

EDIT: damn it cook quit replying so fast.

dcook_14 · May 17th, 2010, 01:58 PM

Originally Posted by Wrenchead84

oh damn it!!

i thought i had learnt something

It's all good, you learned it now!

I8ACMRO · May 17th, 2010, 02:00 PM

Originally Posted by Wrenchead84

oh damn it!!

i thought i had learnt something

hahaha it's ok. Here's something to listen to...

O/R X and Flow 40's

YouTube - O4 GT O/R X Pipe and Flowmaster 40 series

O/R H and Flow 40's

YouTube - 02 GT Mac O/R H-pipe Flowmaster Original 40's

O/R X and Magnaflow

YouTube - 2002 Mustang GT with Magnaflow Cat-back, MAC Off-road X-pipe, and stock headers

You can tell it sounds like straight throughs should use a x pipe and not the chambered mufflers but it really comes down to preference. I like the sound of an O/R X and chambered mufflers. This is the setup I will be going to in the next month or so...

YouTube - Mustang GT O/R x-pipe, mac mufflers w/ turn downs

HotRodGT · May 17th, 2010, 02:12 PM

well i know fo sho, that my o/r x sounded horrible with my straight-throughs. but i have luck like that....

MacGill · May 17th, 2010, 02:19 PM

I love the sound of mine but it sounds what a textbook Mustang should sound like!

dcook_14 · May 17th, 2010, 02:56 PM

Originally Posted by Wrenchead84

well i know fo sho, that my o/r x sounded horrible with my straight-throughs. but i have luck like that....

What straight thrus and x pipe were you using?

HotRodGT · May 17th, 2010, 03:03 PM

bbk o/r x and dynomax race bulletts

May 17th, 2010, 01:18 PM	#1
Mister Gray Newbie Join Date: May 2010 Posts: 32 iTrader: 0 reviews	Exhaust Ideas.....I can't decide Ok my car should be ready to have some new pipes on it in a few days. Now I'm trying to decide what to go with To start I want to say money isn't an issue. As I have stated my uncles own an exhaust shop so all of its going to custom made with what ever I like I'm planning on going with an X pipe with Flowmaster 40's and well.....Reducing those 6 converters to 2 or none. They could bend the pipes and do it as well as put inserts for the oxygen sensors to go in but my concern is actually losing low end power (the only kind I really care about as the longest strip around here is an 1/8th mile track). I already have short tube headers. As I stated before I've seen it done on a 97 nPI and it killed the power IMO. The engine Im using is a 01 PI Engine but I have the Coil setup from a pre COP (using a 97 ECU). I could send the ECU off later and get the Oxy's taken care of to eliminate the problem later I just want to ride the damn thing now Someone convince me 1 way or the other please!

May 17th, 2010, 01:29 PM	#2
dcook_14 Banned 2004 Mustang GT 12.35@114.08 w/ 1.88 60' Join Date: Feb 2009 Location: Waterloo, IA Posts: 7,015 Blog Entries: 2 iTrader: 7 reviews	I heard you say this in another thread, but going with an o/r midpipe (one with no cats) doesn't kill any down low power. There is a little less backpressure so it's technically going to suffer a little bit, but not enough to notice. I'd go with a different muffler if you want an x pipe though. X pipes sound best with straight thru mufflers and H pipes sound good with chambered mufflers. I'd do a full 2 1/2" exhaust with an o2 sensor mounted close to the header flange on each pipe, then the X over, then hook up with some SLP LMII's or Magnaflow Magnapacs, then regular flowtubes from there with nice tips to finish it off __________________ Do the Right Thing, Cook. ~Zip.

May 17th, 2010, 01:43 PM	#3
HotRodGT Enthusiast 2002 GT, 1989 GT, 1984 GT Join Date: Dec 2009 Location: Bakersfield, CA Posts: 609 iTrader: 0 reviews	hey cook i think you have it backwards. straight through mufflers sound like ass with an x-pipe. way too raspy. or at least it is in my case. so its x-pipes with chambered or h-pipes with straight through __________________

May 17th, 2010, 01:53 PM	#5
HotRodGT Enthusiast 2002 GT, 1989 GT, 1984 GT Join Date: Dec 2009 Location: Bakersfield, CA Posts: 609 iTrader: 0 reviews	oh damn it!! i thought i had learnt something __________________

May 17th, 2010, 01:58 PM	#7
dcook_14 Banned 2004 Mustang GT 12.35@114.08 w/ 1.88 60' Join Date: Feb 2009 Location: Waterloo, IA Posts: 7,015 Blog Entries: 2 iTrader: 7 reviews	yeah sorry wrenchead you have it backwards. these engines are raspy, the best way around it is an H pipe and chambered mufflers. __________________ Do the Right Thing, Cook. ~Zip.

May 17th, 2010, 01:56 PM	#6
SS Ball3r Hardcore Enthusiast 2000 Mustang GT Join Date: Jan 2010 Location: South Florida Posts: 1,968 iTrader: 0 reviews	dont do flowmasters. Everyone has flowmasters and they dont sound that good. There are a lot of better mufflers out there.

May 17th, 2010, 02:12 PM	#11
HotRodGT Enthusiast 2002 GT, 1989 GT, 1984 GT Join Date: Dec 2009 Location: Bakersfield, CA Posts: 609 iTrader: 0 reviews	well i know fo sho, that my o/r x sounded horrible with my straight-throughs. but i have luck like that.... __________________

May 17th, 2010, 02:19 PM	#12
MacGill Regular 2001 Mustang GT 13.46 @ 104.3 3 year old tires Join Date: Oct 2007 Location: London, Ontario Posts: 200 iTrader: 0 reviews	I love the sound of mine but it sounds what a textbook Mustang should sound like! __________________ MacGill

May 17th, 2010, 03:03 PM	#14
HotRodGT Enthusiast 2002 GT, 1989 GT, 1984 GT Join Date: Dec 2009 Location: Bakersfield, CA Posts: 609 iTrader: 0 reviews	bbk o/r x and dynomax race bulletts __________________

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