FLOWMASTER 40'S WITH A MAGNAFLOW X PIPE

JOHNNY K. · July 4th, 2007, 05:49 PM

I've installed magnaflow x-pipe with flowmaster 40 cat back.

The exhaust sounds like it rattles when the car is cold. Once it warms up I get the deep throating sound of the Flowmaster. It doesn't seem to be touching anything underneath.

Can anyone tell me what is causing the rattle when the vehicule is cold.
1999 Mustang GT convertible.

97_4.6L_Stang · July 7th, 2007, 02:26 PM

are you sure its the exhaust rattling or is it the exhaust pinging through the x pipe because the piping is cold?

JOHNNY K. · July 9th, 2007, 10:14 AM

It may be exhaust pinging throught the X pipe. Is this normal?
How do I get rid of that sound? It only happens at about 2200 RPM.

I am new to this sport. I'm not sure I understand the logic behind the "pinging" why does exhaust cause that sound?

Thanks

2007calispecial · July 10th, 2007, 05:49 PM

i get it too with my h pipe and flows... idk man.. i got used to it..

02trueblueGT · March 23rd, 2010, 03:02 PM

Happened to my gt. The passenger side flowmaster rattled from the inside because it was broken. I've read alot about people having this problem after having them on the car for a while. The 40's werent my choice (they were welded in) so the Magnapacks are doing the trick. With no rattles

i-bought-a-v6 · October 24th, 2010, 11:30 AM

I had the same problem its because of the pipes as soon as I got the midpipe welded between my divorced duals the rattle went away.

Rich11 · October 24th, 2010, 11:42 AM

Wow this is old....

i-bought-a-v6 · October 24th, 2010, 12:03 PM

no just a couple months

Rich11 · October 24th, 2010, 12:04 PM

This is from 2007....

July 4th, 2007, 05:49 PM	#1
JOHNNY K. Newbie Join Date: Apr 2007 Posts: 33 iTrader: 0 reviews	FLOWMASTER 40'S WITH A MAGNAFLOW X PIPE I've installed magnaflow x-pipe with flowmaster 40 cat back. The exhaust sounds like it rattles when the car is cold. Once it warms up I get the deep throating sound of the Flowmaster. It doesn't seem to be touching anything underneath. Can anyone tell me what is causing the rattle when the vehicule is cold. 1999 Mustang GT convertible.

July 7th, 2007, 02:26 PM	#2
97_4.6L_Stang Regular Join Date: Jan 2007 Posts: 106 iTrader: 0 reviews	are you sure its the exhaust rattling or is it the exhaust pinging through the x pipe because the piping is cold? __________________ 97 Mustang GT, MAC CAI, Underdrive Pulleys, Flowmaster Exhaust, BBK Offroad H-Pipe, 3:73 Gear, Autologic Chip, B&M Short Throw Shifter, Centerforce Clutch, Msd, Eibach Sportline Springs

October 24th, 2010, 11:30 AM	#6
i-bought-a-v6 Banned 2002 Auto V6 Several Seconds Join Date: May 2010 Location: NY Posts: 1,102 iTrader: 0 reviews	I had the same problem its because of the pipes as soon as I got the midpipe welded between my divorced duals the rattle went away. __________________ [U]Specs[/U] 351W EFI with 2 cylinder delete [U]Mods[/U] Catted dual exhaust with Flowmaster 40's H-piped $60 XM with no subscription Savings Account Mod $00000.00 [U]Future Mods[/U] None [COLOR="Red"]Put This Immature Crap Back In Your Sig, And You'll Be Taking A Vacation. Love, TheUNZippee!T[/COLOR]

October 24th, 2010, 11:42 AM	#7
Rich11 MM Fanatic 2001 Mustang GT 12.70@ 113.50 Join Date: Nov 2009 Location: Laurel, MD Posts: 3,420 iTrader: 3 reviews	Wow this is old.... __________________ 403rwhp/403rwtq. Tuned by Horsepower By Hermann M.A.D. #11 November Bday Pres.

October 24th, 2010, 12:03 PM	#8
i-bought-a-v6 Banned 2002 Auto V6 Several Seconds Join Date: May 2010 Location: NY Posts: 1,102 iTrader: 0 reviews	no just a couple months __________________ [U]Specs[/U] 351W EFI with 2 cylinder delete [U]Mods[/U] Catted dual exhaust with Flowmaster 40's H-piped $60 XM with no subscription Savings Account Mod $00000.00 [U]Future Mods[/U] None [COLOR="Red"]Put This Immature Crap Back In Your Sig, And You'll Be Taking A Vacation. Love, TheUNZippee!T[/COLOR]

July 9th, 2007, 10:14 AM	#3
JOHNNY K. Newbie Join Date: Apr 2007 Posts: 33 iTrader: 0 reviews	It may be exhaust pinging throught the X pipe. Is this normal? How do I get rid of that sound? It only happens at about 2200 RPM. I am new to this sport. I'm not sure I understand the logic behind the "pinging" why does exhaust cause that sound? Thanks

March 23rd, 2010, 03:02 PM	#5
02trueblueGT Enthusiast 2002 Mustang GT n/a Join Date: Mar 2010 Location: Kansas Posts: 945 iTrader: 0 reviews	Happened to my gt. The passenger side flowmaster rattled from the inside because it was broken. I've read alot about people having this problem after having them on the car for a while. The 40's werent my choice (they were welded in) so the Magnapacks are doing the trick. With no rattles

October 24th, 2010, 12:04 PM	#9
Rich11 MM Fanatic 2001 Mustang GT 12.70@ 113.50 Join Date: Nov 2009 Location: Laurel, MD Posts: 3,420 iTrader: 3 reviews	This is from 2007.... __________________ 403rwhp/403rwtq. Tuned by Horsepower By Hermann M.A.D. #11 November Bday Pres.

Remove Advertisements Sponsored Links
Forums at Modded Mustangs Advertisement Advertisement

Threads Similar to: FLOWMASTER 40'S WITH A MAGNAFLOW X PIPE
Thread	Thread Starter	Forum	Replies	Last Post
Flowmaster 40's ? or the new 44's?	Midnight Stang02	V6 Mustangs	9	May 4th, 2007 12:42 PM
anyone have sound clip of flowmaster 40's?	Midnight Stang02	V6 Mustangs	4	May 2nd, 2007 12:39 AM
flowmaster 40's ???	hiddenxhero89@aol.com	V6 Mustangs	12	April 28th, 2007 01:59 AM

All times are GMT -4. The time now is 06:16 PM.
Contact Us - Modded Mustangs - Privacy Statement - Top
Modded Mustangs is ©2005-2008, All Rights Reserved, And is Not Affiliated with Ford Motor Company. Forum is powered by vBulletin ©2000 - 2012, Jelsoft Ent. Ltd. & SEO by vBSEO 3.3.2 ©2009, Crawlability, Inc.