flowmaster exhaust

stanginit · August 21st, 2007, 03:40 PM

I just recently finished my flowmaster delta 40's catback with BBK long tubes and BBK catted H-pipe. I was wondering if the popping sound from the mufflers is typical with flowmaster technology or the car needs to be tuned properly? Its not a bad sound...just a little obnoxious inside the car. The motor is stock besides the basic bolt ons for the next week or so untill my supercharger arrives.

neckbonekat · August 21st, 2007, 04:26 PM

It needs a tune. Mine was really bad when first put on my Magnapacks, but after getting my DiabloSport and updating it on thier web site it sounds much better.

B0B · August 21st, 2007, 04:28 PM

i think most aftermarket exhaust will give you that sound when you let off the gas. it will be even louder with a o/r mid pipe, but your catted h-pipe with high flow cats is gonna give you more of a gurgling/popping noise than the stock h pipe.

neckbonekat · August 21st, 2007, 04:32 PM

It's just unused fuel burning up in the exhaust pipes. A better tune will take care of it.

B0B · August 21st, 2007, 04:57 PM

+1 you're right on that one

stanginit · August 21st, 2007, 05:08 PM

Thanks for your inputs. Waiting for the SC to get here so I can get it tuned. And if the flowmasters are garbage....i will probably just take the mufflers out and go straight pipe. I am not paying another 400-500 for a cat back exhaust.

mustang_marine · August 21st, 2007, 05:11 PM

THE FLOWMASTERS ARE GARBAGE??? I heard that the super 40's or the 44's are good...

stanginit · August 21st, 2007, 05:29 PM

I did not say they are garbage. They sound awesome...besides the popping sound when you let off the gas or down shift. If the tune does not fix my problem then i am getting rid of the mufflers. The popping noise does not sound good to me...imo.

mustang_marine · August 21st, 2007, 05:38 PM

Yeah, the popping isn't gonna stop untill you tune it. like mentioned above, it's just excess fuel.... as a far as your performance, how is it with the BBK LT's and H w/ flowmasters? This is the exact same setup i'n going with, but offroad H pipe with super 40's.

stanginit · August 21st, 2007, 05:59 PM

I like it a lot....it has a great sound and a pretty good change in performance. I just cant wait to bolt on this SC. But very satified with the choice. Took a little longer to install....i should of read a couple more forums before doing it..for advice. If you need some do it your self advice let me know. It was getting late at the shop so we were makin stupid mistakes...and we made a couple of them...oh well lmao. Always willing to help out a fellow Marine

mustang_marine · August 21st, 2007, 06:03 PM

so the install was a mother huh? Heard you gotta remove the k member to do it, go any tips??? i take it you took it to a hobby shop and used a lift?

neckbonekat · August 21st, 2007, 07:58 PM

Originally Posted by stanginit

Thanks for your inputs. Waiting for the SC to get here so I can get it tuned. And if the flowmasters are garbage....i will probably just take the mufflers out and go straight pipe. I am not paying another 400-500 for a cat back exhaust.

Personally I'm not a fan of the flows, but you must be if you bought them. the tune will take care of the popping, but whatever you do, don't go straight pipes. If you think it sounds bad now, just wait if you do that.

TheUNZippee! · August 21st, 2007, 07:59 PM

Listen to NBK. He am be samrt.

bossman2kgt · August 21st, 2007, 08:33 PM

Your just running rich. Get a tune like everyone is telling you.

jersey98gt · August 21st, 2007, 10:27 PM

i dont think hes running rich i think hes got chambered mufflers with no cats ive heard this a million times and people complain..go with a straight through design like bassani or slp

neckbonekat · August 22nd, 2007, 01:26 AM

Originally Posted by jersey98gt

i dont think hes running rich i think hes got chambered mufflers with no cats ive heard this a million times and people complain..go with a straight through design like bassani or slp

That is exactly why he needs a new tune, because the fuel that used to burn up in the cats is now making it all the way to the mufflers. He's is running a bit rich for his current set up.

SWEET2KSTANG · August 22nd, 2007, 01:39 AM

plus there is not any type of resonator or back pressure. mine popped really bad with the old set up, not so much now. when you add boost, the popping will go to a minimum.

August 21st, 2007, 03:40 PM	#1
stanginit Regular Join Date: Aug 2007 Location: Chicago, IL Posts: 110 iTrader: 0 reviews	flowmaster exhaust I just recently finished my flowmaster delta 40's catback with BBK long tubes and BBK catted H-pipe. I was wondering if the popping sound from the mufflers is typical with flowmaster technology or the car needs to be tuned properly? Its not a bad sound...just a little obnoxious inside the car. The motor is stock besides the basic bolt ons for the next week or so untill my supercharger arrives.

August 21st, 2007, 04:26 PM	#2
neckbonekat I Post Entirely Way Too Much 2005 Cadillac STS V8 ???????????????? Join Date: Dec 2006 Location: Upstate NY Posts: 6,344 iTrader: 3 reviews	It needs a tune. Mine was really bad when first put on my Magnapacks, but after getting my DiabloSport and updating it on thier web site it sounds much better. __________________ ITEMS FOR SALE! 4.10 GEARS + BEARING KIT

August 21st, 2007, 04:28 PM	#3
B0B Boost gets you laid 2001 Mustang GT 12.93@113.7 (on the 18's) Join Date: Dec 2006 Location: Milton, WA Posts: 2,601 iTrader: 2 reviews	i think most aftermarket exhaust will give you that sound when you let off the gas. it will be even louder with a o/r mid pipe, but your catted h-pipe with high flow cats is gonna give you more of a gurgling/popping noise than the stock h pipe. __________________ '01 GT. Just a couple Bolt-ons. 0rwhp 0rwtq. Epic Turbo build in progress 2003 Rubicon (wheelin rig) 2008 Silverado 4x4 (towin rig/road queen) 2009 KTM 450 XC-W (Brap Brap!)

August 21st, 2007, 04:32 PM	#4
neckbonekat I Post Entirely Way Too Much 2005 Cadillac STS V8 ???????????????? Join Date: Dec 2006 Location: Upstate NY Posts: 6,344 iTrader: 3 reviews	It's just unused fuel burning up in the exhaust pipes. A better tune will take care of it. __________________ ITEMS FOR SALE! 4.10 GEARS + BEARING KIT

August 21st, 2007, 04:57 PM	#5
B0B Boost gets you laid 2001 Mustang GT 12.93@113.7 (on the 18's) Join Date: Dec 2006 Location: Milton, WA Posts: 2,601 iTrader: 2 reviews	+1 you're right on that one __________________ '01 GT. Just a couple Bolt-ons. 0rwhp 0rwtq. Epic Turbo build in progress 2003 Rubicon (wheelin rig) 2008 Silverado 4x4 (towin rig/road queen) 2009 KTM 450 XC-W (Brap Brap!)

August 21st, 2007, 05:08 PM	#6
stanginit Regular Join Date: Aug 2007 Location: Chicago, IL Posts: 110 iTrader: 0 reviews	Thanks for your inputs. Waiting for the SC to get here so I can get it tuned. And if the flowmasters are garbage....i will probably just take the mufflers out and go straight pipe. I am not paying another 400-500 for a cat back exhaust.

August 21st, 2007, 05:11 PM	#7
mustang_marine Regular Join Date: Jul 2007 Posts: 102 iTrader: 0 reviews	THE FLOWMASTERS ARE GARBAGE??? I heard that the super 40's or the 44's are good... __________________ -SEMPER FI-

August 21st, 2007, 05:29 PM	#8
stanginit Regular Join Date: Aug 2007 Location: Chicago, IL Posts: 110 iTrader: 0 reviews	I did not say they are garbage. They sound awesome...besides the popping sound when you let off the gas or down shift. If the tune does not fix my problem then i am getting rid of the mufflers. The popping noise does not sound good to me...imo. __________________ '99 GT, BBK Long Tubes, BBK X-Pipe, Flowmaster Delta 40's Catback, Accufab 70mm TB, C&L Inlet Pipe and MAF, 3.73's, Eibach Pro-Kit, Tokico Ilumina 5-way Ajustables, Granetelli Upper and Lower Control Arms, 18" Chrome Bullets

August 21st, 2007, 05:38 PM	#9
mustang_marine Regular Join Date: Jul 2007 Posts: 102 iTrader: 0 reviews	Yeah, the popping isn't gonna stop untill you tune it. like mentioned above, it's just excess fuel.... as a far as your performance, how is it with the BBK LT's and H w/ flowmasters? This is the exact same setup i'n going with, but offroad H pipe with super 40's. __________________ -SEMPER FI-

August 21st, 2007, 05:59 PM	#10
stanginit Regular Join Date: Aug 2007 Location: Chicago, IL Posts: 110 iTrader: 0 reviews	I like it a lot....it has a great sound and a pretty good change in performance. I just cant wait to bolt on this SC. But very satified with the choice. Took a little longer to install....i should of read a couple more forums before doing it..for advice. If you need some do it your self advice let me know. It was getting late at the shop so we were makin stupid mistakes...and we made a couple of them...oh well lmao. Always willing to help out a fellow Marine __________________ '99 GT, BBK Long Tubes, BBK X-Pipe, Flowmaster Delta 40's Catback, Accufab 70mm TB, C&L Inlet Pipe and MAF, 3.73's, Eibach Pro-Kit, Tokico Ilumina 5-way Ajustables, Granetelli Upper and Lower Control Arms, 18" Chrome Bullets

August 21st, 2007, 06:03 PM	#11
mustang_marine Regular Join Date: Jul 2007 Posts: 102 iTrader: 0 reviews	so the install was a mother huh? Heard you gotta remove the k member to do it, go any tips??? i take it you took it to a hobby shop and used a lift? __________________ -SEMPER FI-

August 21st, 2007, 07:59 PM	#13
TheUNZippee! Moderator Join Date: Jan 2007 Location: Canada Posts: 61,816 Blog Entries: 1 iTrader: 0 reviews	Listen to NBK. He am be samrt. __________________

August 21st, 2007, 08:33 PM	#14
bossman2kgt Hardcore Enthusiast Join Date: May 2007 Location: Wichita, Ks Posts: 1,287 iTrader: 0 reviews	Your just running rich. Get a tune like everyone is telling you.

August 21st, 2007, 10:27 PM	#15
jersey98gt Enthusiast Join Date: Jan 2007 Posts: 661 iTrader: 0 reviews	i dont think hes running rich i think hes got chambered mufflers with no cats ive heard this a million times and people complain..go with a straight through design like bassani or slp __________________ -BBK CAI, BASSANI CB + X, SCT 93 tune, 4.10s, Cobra brakes, Cobra R wrapped in nitto 555 tire. -College Football and studies take up the bulk of my time.

August 22nd, 2007, 01:39 AM	#17
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 (old set up) Join Date: Oct 2006 Location: N.W. AR Posts: 12,430 iTrader: 8 reviews	plus there is not any type of resonator or back pressure. mine popped really bad with the old set up, not so much now. when you add boost, the popping will go to a minimum. __________________ project warhorse under construction being built by MP2 Performance

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