2 Shops said V6s do not need H pipes

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06-25-2007, 11:03 AM

#31

07 Stang

6th Gear Member

Join Date: Jan 2007

Location: Southeast Virginia

Posts: 6,409

RE: 2 Shops said V6s do not need H pipes

Quote:

ORIGINAL: heslekrants

I installed dual GT mufflers (from a manual car) on my wife's 06 Pony without an X pipe 1st. It had a ricer sound and lost performance, 1/4 time went from 15.7 to 15.9.

Installed an X pipe and it sounds really good now. Have a little vibration at idle and a dead spot at 5500rpms. Got 206rwhp on the dyno. 1/4 time dropped to 15.5.

Installed a C&L cold air package & custom tune. Idles smooth, the dead spot is gone. Haven't been to the dyno yet. 1/4 time dropped to 14.8,hada hard time hooking up. Even ran a 14.8 with the A/C on full blast. Need a posi & slicks!

That's exciting to hear! I just read in a another thread where a guy put Ninosport Y pipes on and said he thinks he lost some speed. I had asked if anyone knew of the difference in time (0-60) for the different set ups. Like the Y, H or X?
I ordered X pipes (still waiting for delivery) and was concerned about loosing power, but you proved it is not so.

06-26-2007, 12:02 AM

#32

SOHCman

4th Gear Member

Join Date: Feb 2007

Location: Green Mt State

Posts: 1,028

RE: 2 Shops said V6s do not need H pipes

Sandy,

You may lose some torque on the bottom end, but you will get it all back and MORE on the highway.

My little V6 positively SCREAMS on the highway!

No engine mods at all yet!

Did a nice Mustang Cruise on Sunday.

500.1 miles round trip...

Averaged 27.1 MPG overall on Sunday.

This included city driving, stop & go traffic, highway, and "playing" along the way...

Love my V6.

SOHC

06-26-2007, 09:11 PM

#33

94Blk5.0

5th Gear Member

Join Date: Jun 2007

Location: NC

Posts: 2,112

RE: 2 Shops said V6s do not need H pipes

A know a kid with a 05 V6 and the muffler shop cut the pipes after the cats and ran duals into some flowmaster one chambers. Sounded alright for a six. Flowmaster 2chambers or even three chambers would probly sound better. Price wasgood and itsEmissions legal and with cats and mufflers you would get the ricer drone and buzz.

06-27-2007, 12:27 AM

#34

07 Stang

6th Gear Member

Join Date: Jan 2007

Location: Southeast Virginia

Posts: 6,409

RE: 2 Shops said V6s do not need H pipes

Quote:

ORIGINAL: 94Blk5.0

A know a kid with a 05 V6 and the muffler shop cut the pipes after the cats and ran duals into some flowmaster one chambers. Sounded alright for a six. Flowmaster 2chambers or even three chambers would probly sound better. Price wasgood and itsEmissions legal and with cats and mufflers you would get the ricer drone and buzz.

But why would we want the ricer drone and buzz? They sound like a hyped up lawn mower to me.

06-27-2007, 12:29 PM

#35

p51mstg

2nd Gear Member

Join Date: Apr 2007

Location: The Hinterlands of Minne-snow-ta

Posts: 401

RE: 2 Shops said V6s do not need H pipes

According to Justin over at VMP, there's no measurable benefit for going to a true dual exhaust setup on a n/a V6. Sound and even appearance are one thing, but I think when someone with a dyno and the time to test various options says there's no increase in power, then I think it's worth listening:

https://mustangforums.com/m_3231444/tm.htm

06-27-2007, 03:30 PM

#36

DelStang86

2nd Gear Member

Join Date: Oct 2006

Posts: 383

RE: 2 Shops said V6s do not need H pipes

I'll reiterate. The car sounds great straight piped.

06-27-2007, 08:54 PM

#37

heslekrants

2nd Gear Member

Join Date: May 2007

Location: Wilsonville Oregon

Posts: 293

RE: 2 Shops said V6s do not need H pipes

I don't have my stock dyno numbers but adding the dual exhaust with an x pipe gave me 206rwhp on the dyno. From what I've read 175-185rwhp is the norm for a totally stock 4.0L V6 Mustang. The looks & soundare a big deal.

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