Aftermarket catted mid pipe??

03_StangGuy · July 7th, 2008, 09:45 AM

How do they sound compared to stock and after market non-catted mids? I just installed the Mac Prochamber this weekend and its a bit louder than Id like. My cars a DD and I theres times I dont really wanna hear the exhuast. Im goin FI in a month and I want somethin that can still flow. Any recommendations? Also do they make catted h-pipes?

~C~ · July 7th, 2008, 10:09 AM

im sure they sound a lot better than the stock, but I am also sure they sound louder. The stock pipe is 2.25 and the aftermarkets are 2.5". I dont have a midpipe yet, but I have a MAC cat back and I dont think it sounds to loud. I would like it to sound louder, so I am curious as to the answers you get on the catted mid.

Also, are all aftermarket catted mids high flow cats?

03_StangGuy · July 7th, 2008, 10:27 AM

I have the MAC catback as well, and it sounds awesome. I could be a lil louder but since its my DD it good. The prochamber its about as loud at part throttle as it is at full throttle wit the stock mid-pipe.

KhaosGT · July 7th, 2008, 11:43 AM

i have a catted magnaflow mid pipe and its pretty loud paired up with my slp loud mouth

03_StangGuy · July 7th, 2008, 11:55 AM

Khoas is it still raspy even wit the cats?

Eagle2000GT · July 7th, 2008, 12:39 PM

Cat-backs were on my car when I bought it with stock headers and H-pipe. I installed BBK LTs with catted X-pipe. It's probably just as loud but it took a little of the deep base drone out of the exhaust when crusing at 2000 rpm. I can put up with my exhaust at 1800 rpm and 2200 rpm, but I would have to wear ear plugs if I were to drive very far at 2000 rpms.

03_StangGuy · July 7th, 2008, 01:17 PM

Originally Posted by Eagle2000GT

Cat-backs were on my car when I bought it with stock headers and H-pipe. I installed BBK LTs with catted X-pipe. It's probably just as loud but it took a little of the deep base drone out of the exhaust when crusing at 2000 rpm. I can put up with my exhaust at 1800 rpm and 2200 rpm, but I would have to wear ear plugs if I were to drive very far at 2000 rpms.

So your sayin the LT and X-pipe made it quieter? I didnt have really any drone wit my stock h-pipe.

ModMustang97GT · July 7th, 2008, 01:32 PM

Oh man, here we go. The catted Mid-Pipe is going to give you a slightly more muffled sound than your Pr-chamber but not a whole lot different. Pretty much, once you get an aftermarket, its going to be louder. Like they said above. 2.25" stock doesn't flow as much as a 2.5" aftermarket.

Alot of the noise your are going to hear and be able to do anything about is your cat-back. The style and company is going to make a big difference. The chambered mufflers (flowmaster, Mac etc.) are deeper and quieter, but have a tendency to drone. Especially with the Dump set up (tips don't go past the rear axle. The straight through type such as stingers or bbk's are louder, have a more high pitched raspy sound, but have much less drone. My car has the exhaust in my sig, and it is damn near unbearable from 1300-2000 rpm. At about 2000 rpm is sounds almost like stock inside the car, but its illegal loud from the outside. (true story, got pulled over 3 weeks ago for being too loud).

Eagle2000GT · July 7th, 2008, 01:41 PM

Originally Posted by 03_StangGuy

So your sayin the LT and X-pipe made it quieter? I didnt have really any drone wit my stock h-pipe.

Not quieter it just changed the pitch a little. I believe the previous owner put on Flowmasters and its the cat-backs that make the difference.

KhaosGT · July 7th, 2008, 04:41 PM

my car has a x pipe so it has a lil more pitch but to me its not to loud at all...fairly quiet from the inside when crusiing and plenty loud when you romp on it..i had flows on it and it sounded ok i guess but i wanted louder so i went with the lm1

johnr2001 · July 8th, 2008, 10:05 AM

my son has a catted Bassani x with mac exhaust and it sounds awesome.

Roos85 · July 8th, 2008, 11:24 AM

The catted mid will quiet it down from the prochamber assuming your pro chamber is offroad but it will still provide high flow cats for better flow but not to to loud. Will def be louder than stock though

KhaosGT · July 8th, 2008, 11:40 AM

trade ya my catted x for your prochamber

03_StangGuy · July 8th, 2008, 01:23 PM

I spent 3 hours adjusting the mid pipe and catback. Turned there was a leak makin it extremely loud inside the car. I fixed it and it sounds so much better now. Its no louder than stock while cruising and sounds great at wot.

July 7th, 2008, 09:45 AM	#1
03_StangGuy Hardcore Enthusiast Blown 03 GT Join Date: Jun 2007 Posts: 1,457	Aftermarket catted mid pipe?? How do they sound compared to stock and after market non-catted mids? I just installed the Mac Prochamber this weekend and its a bit louder than Id like. My cars a DD and I theres times I dont really wanna hear the exhuast. Im goin FI in a month and I want somethin that can still flow. Any recommendations? Also do they make catted h-pipes?

July 7th, 2008, 10:09 AM	#2
~C~ Enthusiast Y2K YellowJacket GT ~TBD~ Join Date: Jun 2008 Location: MD Posts: 677	im sure they sound a lot better than the stock, but I am also sure they sound louder. The stock pipe is 2.25 and the aftermarkets are 2.5". I dont have a midpipe yet, but I have a MAC cat back and I dont think it sounds to loud. I would like it to sound louder, so I am curious as to the answers you get on the catted mid. Also, are all aftermarket catted mids high flow cats? __________________ BLOWN Bumblebeast! 370 rwhp and 381 ft lbs Sneaker Crew #8 Professor C MILITARY CREW LT "Like the blind man says......We shall see...."

July 7th, 2008, 11:43 AM	#4
KhaosGT Enthusiast 2004 Mustang GT Join Date: Jan 2007 Location: Fort Worth, TX Posts: 819	i have a catted magnaflow mid pipe and its pretty loud paired up with my slp loud mouth __________________ 2004 Black Mustang Gt "I'm a agent of chaos" -Joker,Dark Knight

July 7th, 2008, 12:39 PM	#6
Eagle2000GT Enthusiast 2000 Mustang GT Join Date: Aug 2007 Location: Shelbyville, Indiana Posts: 689	Cat-backs were on my car when I bought it with stock headers and H-pipe. I installed BBK LTs with catted X-pipe. It's probably just as loud but it took a little of the deep base drone out of the exhaust when crusing at 2000 rpm. I can put up with my exhaust at 1800 rpm and 2200 rpm, but I would have to wear ear plugs if I were to drive very far at 2000 rpms. __________________ latest tune: 370 rwhp/377 rwtq Garage: http://www.moddedmustangs.com/forums...-member-11329/ Previously Owned: 1966 Coronet 500, 426 ci est. 290-300 rwhp 1969 Camaro RS/SS, 350 ci est. 210-220 rwhp Today is the real muscle car era.

July 7th, 2008, 01:32 PM	#8
ModMustang97GT Enthusiast 1997 Mustang GT Join Date: Aug 2007 Location: Seattle, WA Posts: 639	Oh man, here we go. The catted Mid-Pipe is going to give you a slightly more muffled sound than your Pr-chamber but not a whole lot different. Pretty much, once you get an aftermarket, its going to be louder. Like they said above. 2.25" stock doesn't flow as much as a 2.5" aftermarket. Alot of the noise your are going to hear and be able to do anything about is your cat-back. The style and company is going to make a big difference. The chambered mufflers (flowmaster, Mac etc.) are deeper and quieter, but have a tendency to drone. Especially with the Dump set up (tips don't go past the rear axle. The straight through type such as stingers or bbk's are louder, have a more high pitched raspy sound, but have much less drone. My car has the exhaust in my sig, and it is damn near unbearable from 1300-2000 rpm. At about 2000 rpm is sounds almost like stock inside the car, but its illegal loud from the outside. (true story, got pulled over 3 weeks ago for being too loud). __________________ Aztec Gold 97GT. MM CC Plates, Panhard Bar, Subframes & Tower Brace Eibach Sway Bars H&R Race Springs/Bilstein Shocks MAC CAI, LT's, Catted H and Pro-Dumps KB Boost-a-Spark PI Swap Spun Main Bearing...

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July 7th, 2008, 10:27 AM	#3
03_StangGuy Hardcore Enthusiast Blown 03 GT Join Date: Jun 2007 Posts: 1,457	I have the MAC catback as well, and it sounds awesome. I could be a lil louder but since its my DD it good. The prochamber its about as loud at part throttle as it is at full throttle wit the stock mid-pipe.

July 7th, 2008, 11:55 AM	#5
03_StangGuy Hardcore Enthusiast Blown 03 GT Join Date: Jun 2007 Posts: 1,457	Khoas is it still raspy even wit the cats?

July 7th, 2008, 04:41 PM	#10
KhaosGT Enthusiast 2004 Mustang GT Join Date: Jan 2007 Location: Fort Worth, TX Posts: 819	my car has a x pipe so it has a lil more pitch but to me its not to loud at all...fairly quiet from the inside when crusiing and plenty loud when you romp on it..i had flows on it and it sounded ok i guess but i wanted louder so i went with the lm1 __________________ 2004 Black Mustang Gt "I'm a agent of chaos" -Joker,Dark Knight

July 8th, 2008, 10:05 AM	#11
johnr2001 Regular 2001 GT Join Date: Dec 2007 Location: Bivalve MD Posts: 440	my son has a catted Bassani x with mac exhaust and it sounds awesome. __________________ 2001 Gt,auto,J mod, 4:10s, B&M cooler, Hitech stage 2's, NX plate 100 shot, 75 mm tb, C&L upper plenum,BBK X with magnaflow's,Black FR 500,S,SCT tune from Bama chips.

July 8th, 2008, 11:24 AM	#12
Roos85 Enthusiast 2004 Mustang GT Join Date: May 2008 Location: Maryland Posts: 806	The catted mid will quiet it down from the prochamber assuming your pro chamber is offroad but it will still provide high flow cats for better flow but not to to loud. Will def be louder than stock though __________________ 2004 Comp Orange GT - SLP Loudmouth, Pypes O/R X Pipe w/mils, Steeda Tri-ax, JLT Ram Air

July 8th, 2008, 11:40 AM	#13
KhaosGT Enthusiast 2004 Mustang GT Join Date: Jan 2007 Location: Fort Worth, TX Posts: 819	trade ya my catted x for your prochamber __________________ 2004 Black Mustang Gt "I'm a agent of chaos" -Joker,Dark Knight

July 8th, 2008, 01:23 PM	#14
03_StangGuy Hardcore Enthusiast Blown 03 GT Join Date: Jun 2007 Posts: 1,457	I spent 3 hours adjusting the mid pipe and catback. Turned there was a leak makin it extremely loud inside the car. I fixed it and it sounds so much better now. Its no louder than stock while cruising and sounds great at wot.

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