what mufflers do you have welded in? - 2003-04 Mach 1 Registry Owners Club

2002bolt · 11-03-2004, 06:08 PM

Just wondering for those that chose the route of just welding in mufflers which muffler you went with.

raj · 11-03-2004, 07:01 PM

Iv'e gone with Borla XS pro series part # 40351. They sound fantastic...very deep sounding muffler.

Check out the link.
http://www.borla.com/proxs/?cartID=2...63724.207.6.74

2002bolt · 11-03-2004, 07:55 PM

how much do those mufflers cost?

mach1fan35 · 11-03-2004, 09:07 PM

Stainless series 40 Flowmasters 2 and 1/4 inch inlet and outlet welded into the stock pipes. Retains virtually all the under 2000 rpm torque yet gives a nice torque boost over 3500 rpm.

I hated the sound when I had them installed. After 1000 miles they smoothed out and got mellower. Now I love em.

300 bucks to cut out the stockers and weld in the new ones. Close examination and you would swear they came from the factory on the car.

CY-Mach1 · 11-03-2004, 09:27 PM

I have 2.25" Magnaflow; Sound like stock except at WOT. $120 shipped from Performance Peddler + $30 install -- not a hot rod sound at all.

99 BG TA · 11-03-2004, 09:52 PM

i have magna pack weld ins sounds awsome

downsouthman1 · 11-03-2004, 09:55 PM

I have welded 40 series Flowmaster 2 chamers.

2002bolt · 11-03-2004, 10:16 PM

i just got my gf a VRS offroad x-pipe and welded in stainless 40s. Sounds good. But it has a hollow tin sound. It sounds ok i guess i just have to get use to it.

RAZOR Z · 11-03-2004, 11:14 PM

Quote:

Originally posted by 2002bolt
i just got my gf a VRS offroad x-pipe and welded in stainless 40s. Sounds good. But it has a hollow tin sound. It sounds ok i guess i just have to get use to it.

3 Things I can think of...

1 because your using an x-pipe.

2 because your using a pipe with no cats.

3 because your using the stainless flows vs. aluminum - Which have a coating on them that allows less resonance in the chamber.

azureT03 · 11-04-2004, 12:33 AM

Flowmaster 40's 2 Chamber:THUMBSUP:

mach1fan35 · 11-04-2004, 03:36 AM

Quote:

Originally posted by 2002bolt
i just got my gf a VRS offroad x-pipe and welded in stainless 40s. Sounds good. But it has a hollow tin sound. It sounds ok i guess i just have to get use to it.

Dont worry. Time and miles will smooth it out. Once they carbon up a bit the hollow tinny sound goes bye bye.:THUMBSUP:

Cam99 · 11-04-2004, 07:13 AM

MAC Flowpath. Think they sound great. Like flowmaster 40's but just a little different.

sutyak · 11-04-2004, 09:00 AM

Quote:

Originally posted by comporangemach1
Flowmaster 40's 2 Chamber:THUMBSUP:

Cam99's exhaust sounds great too! :THUMBSUP:

funk · 11-04-2004, 11:53 AM

Dynomax Stainless Steel UltraFlows.

Blowngt92 · 11-04-2004, 12:25 PM

I made my exhaust, but found a good deal on magnaflow stainless pipes and bought some MAC stainless Flowpaths. MAC mufflers fit right in pretty much, had a incredible sounding full stainless system for under 200 bucks! Stainless mufflers will have a higher pitch than aluminized due to the different materials. The MAC stainless sound killer compared to the regular flowpaths.

VetEtr · 11-04-2004, 04:27 PM

I had Full Boar mufflers welded-in on my 2001 Cobra. You can hear it on www.mustangexhaust.com. I loved the sound, but it droned. The Magnaflows I have now don't drone, but they don't sound as good either

2002bolt · 11-04-2004, 07:50 PM

one thing i will say is that it doesnt pop or burble on deceleration.

VetEtr · 11-04-2004, 09:49 PM

Quote:

Originally posted by 2002bolt
one thing i will say is that it doesnt pop or burble on deceleration.

Is that considered a good thing or a bad thing? I always liked that sound.

manny · 11-04-2004, 11:25 PM

Dynomax Race Bullets. There was an article a few years back in either MM&FF or 5.0 Mustang magazine where an 01 cobra picked up 17 rwhp. I remembered the article and had them installed on my 03 cobra and was very pleased with the sound and power.

2002bolt · 11-05-2004, 08:31 AM

Quote:

Originally posted by VetEtr
Is that considered a good thing or a bad thing? I always liked that sound.

I kinda like when it doesnt do that.

00GT · 11-05-2004, 10:45 AM

try to find some magnapacks...they friggin rock!

manny · 11-05-2004, 03:13 PM

2002bolt, I currently have the mac pro dumps installed on my mach. I had initially intended to install the mac o/r x-pipe with the dumps. However, when I went to install the o/r x-pipe I ran into clearance problems (x-pipe was hitting my d/s safety loop). I can tell you I did have the dynomax race bullets installed on my 03 cobra in place of the stock mufflers and they kicked butt!!! If you decide to go this route, you will need to have four reducers made (2 1/2" down to 2 1/4") to to mate the race bullets with the stock exhaust piping, as the inlet/outlet on the bullets are 2 1/2" in diameter. You can go to www.mustangexhaust.com and listen to the race bullets installed on a 4.6L cobra to get an idea of what they will sound like. Good luck:THUMBSUP:

substanger · 11-05-2004, 08:10 PM

Quote:

Originally posted by mach1fan35

300 bucks to cut out the stockers and weld in the new ones. Close examination and you would swear they came from the factory on the car.

I hope that $300 INCLUDED the new mufflers! I bought two Flows from Summit Racing for $70 each and had a muffler shop weld them both in for $60.

bris09 · 11-05-2004, 10:09 PM

Quote:

Originally posted by VetEtr
Is that considered a good thing or a bad thing? I always liked that sound.

With you all the way.

Flowmasters on mine.

GOTdaBLUE1 · 11-06-2004, 02:26 AM

Quote:

Originally posted by VetEtr
Is that considered a good thing or a bad thing? I always liked that sound.

Flowmaster 40 series 2 chamber $225. installed.

11-03-2004, 06:08 PM	#1
2002bolt Guest Join Date: Jan 2004 Location: Saint Augustine Posts: 130	what mufflers do you have welded in? Just wondering for those that chose the route of just welding in mufflers which muffler you went with.

11-03-2004, 07:01 PM	#2
raj Thing Of Beauty Join Date: Jul 2004 Location: Vancouver BC Posts: 784	Iv'e gone with Borla XS pro series part # 40351. They sound fantastic...very deep sounding muffler. Check out the link. http://www.borla.com/proxs/?cartID=2...63724.207.6.74 __________________ 2003 Mach 1 VIN# 345337 DSG w/IUP 5sp DSG Painted Mirrors Steeda Tri-ax 01 Cobra Front Bumper Steeda Sport Springs Borla Weld In Mufflers Centerforce DF Clutch Steeda Clutch Quadrant Steeda Firewall Adjuster K&N filter W/Silencer Removed Raised Shaker 1/4" 20% Tint Rear 35% Tint Front Previously Owned Mustangs 2001 Bullitt Dark Highland Green 2001 GT Vert Metallic Silver 1989 GT Cobra Deep Canyon Red Last edited by raj; 11-03-2004 at 07:05 PM.

11-03-2004, 09:27 PM	#5
CY-Mach1 Driving Mach 1 Join Date: Nov 2003 Location: North Alabama Posts: 311	I have 2.25" Magnaflow; Sound like stock except at WOT. $120 shipped from Performance Peddler + $30 install -- not a hot rod sound at all. __________________ John Mar 04 SAE: 277rwhp/299rwtq w/ flows welded in 13.361 @ 104.73 Oct 04 SAE: 287rwhp/307rwtq w/ weld-in flows, K&N, and Predator Feb 05 SAE: 306rwhp/328rwtq w/ catted x, weld-in flows, K&N, and RWTD Tune

11-03-2004, 09:52 PM	#6
99 BG TA Mach One Rookie Join Date: Jul 2004 Location: Abilene, TX Posts: 115	i have magna pack weld ins sounds awsome __________________ 04 White Mach 1 5 Speed Magna Pack Mufflers JLT CAI NX wet Kit Pro Stars skinnies and rears

11-03-2004, 09:55 PM	#7
downsouthman1 Registered User Join Date: Mar 2004 Location: Killeen, TX Posts: 394	I have welded 40 series Flowmaster 2 chamers. __________________ 2K4 White Mach 1 M5 DiabloSport Flash Dynotuned: 11-02-2005 w/ 338RWHP & 359RWTQ. Best run: 13.5@105.1 before 315s, C&L, & tune. Has: 40-Series 2-Chamber Flows; 85 mm C&L MAF; AFS 17X9 & 17X10.5 Mach Rims; BBK Long Tubes & O/R X; Baer D/S/Z Rotors, Grand-Tour 2-pist Calipers, & SS Lines; Custom Full Subframes; FRPP 4.30s, 31-splines, & Lim Slip Diff; H&R SS Springs; HPM D/S Loop; Nitto DR 315s;MM Bumpstop; Offset Rack Bushings; MILs; SVO Girdle. Pics: http://www.cardomain.com/ride/2071960

11-03-2004, 07:55 PM	#3
2002bolt Guest Join Date: Jan 2004 Location: Saint Augustine Posts: 130	how much do those mufflers cost?

11-03-2004, 09:07 PM	#4
mach1fan35 Guest Join Date: Oct 2004 Location: Chicago Illinois Posts: 575	Stainless series 40 Flowmasters 2 and 1/4 inch inlet and outlet welded into the stock pipes. Retains virtually all the under 2000 rpm torque yet gives a nice torque boost over 3500 rpm. I hated the sound when I had them installed. After 1000 miles they smoothed out and got mellower. Now I love em. 300 bucks to cut out the stockers and weld in the new ones. Close examination and you would swear they came from the factory on the car.

11-03-2004, 10:16 PM	#8
2002bolt Guest Join Date: Jan 2004 Location: Saint Augustine Posts: 130	i just got my gf a VRS offroad x-pipe and welded in stainless 40s. Sounds good. But it has a hollow tin sound. It sounds ok i guess i just have to get use to it.

11-04-2004, 12:33 AM	#10
azureT03 Formerly Comporangemach1 Join Date: Apr 2004 Location: Prospect, CT Posts: 1,794	Flowmaster 40's 2 Chamber:THUMBSUP: __________________ 2003 Azure Blue Mach1 5 Speed IUP Built- April 11,2003 Bought- July 7,2006 Died- March 3,2007 17x8 Bullitt Rims Cooper Zeon 2XS Rubber Retro Trim Rings MGW Shifter Pauls High Performance Airbox w/ Resonator Plug 279.1rwhp 295.9rwtq

11-04-2004, 07:13 AM	#12
Cam99 Registered User Join Date: Jun 2004 Location: Melcroft PA Posts: 471	MAC Flowpath. Think they sound great. Like flowmaster 40's but just a little different. __________________ 2003 Cobra 2.4 Kenne Bell N20 many mods 1990 LX vert lots of cubes lots of mods lots of fast

11-04-2004, 11:53 AM	#14
funk Registered User Join Date: Aug 2002 Location: Magnolia,Tx Posts: 988	Dynomax Stainless Steel UltraFlows. __________________ http://tappedoutracing.com/

11-04-2004, 12:25 PM	#15
Blowngt92 Registered User Join Date: Nov 2003 Location: Des Moines, Iowa Posts: 369	I made my exhaust, but found a good deal on magnaflow stainless pipes and bought some MAC stainless Flowpaths. MAC mufflers fit right in pretty much, had a incredible sounding full stainless system for under 200 bucks! Stainless mufflers will have a higher pitch than aluminized due to the different materials. The MAC stainless sound killer compared to the regular flowpaths. __________________ www.RPSracing.com www.Midweststangs.com 2003 Oxford White Cobra-- For Sale 2003 Azure Blue Mach1 Auto: Built 11-19-2002-- SOLD! 1992 GT: Procharged 358W-- Drag Car

11-04-2004, 04:27 PM	#16
VetEtr Registered User Join Date: Feb 2004 Location: DFW Texas Posts: 281	I had Full Boar mufflers welded-in on my 2001 Cobra. You can hear it on www.mustangexhaust.com. I loved the sound, but it droned. The Magnaflows I have now don't drone, but they don't sound as good either __________________ 2004 Azure Blue 5 Speed Last edited by VetEtr; 11-04-2004 at 09:48 PM.

11-04-2004, 07:50 PM	#17
2002bolt Guest Join Date: Jan 2004 Location: Saint Augustine Posts: 130	one thing i will say is that it doesnt pop or burble on deceleration.

11-04-2004, 11:25 PM	#19
manny Registered User Join Date: Aug 2004 Location: kansas city, ks. Posts: 1,123	Dynomax Race Bullets. There was an article a few years back in either MM&FF or 5.0 Mustang magazine where an 01 cobra picked up 17 rwhp. I remembered the article and had them installed on my 03 cobra and was very pleased with the sound and power.

11-05-2004, 10:45 AM	#21
00GT Registered User Join Date: Nov 2003 Posts: 685	try to find some magnapacks...they friggin rock! __________________ 04 STi Cobb stage 2 www.cardomain.com/id/00gtdude

11-05-2004, 03:13 PM	#22
manny Registered User Join Date: Aug 2004 Location: kansas city, ks. Posts: 1,123	2002bolt, I currently have the mac pro dumps installed on my mach. I had initially intended to install the mac o/r x-pipe with the dumps. However, when I went to install the o/r x-pipe I ran into clearance problems (x-pipe was hitting my d/s safety loop). I can tell you I did have the dynomax race bullets installed on my 03 cobra in place of the stock mufflers and they kicked butt!!! If you decide to go this route, you will need to have four reducers made (2 1/2" down to 2 1/4") to to mate the race bullets with the stock exhaust piping, as the inlet/outlet on the bullets are 2 1/2" in diameter. You can go to www.mustangexhaust.com and listen to the race bullets installed on a 4.6L cobra to get an idea of what they will sound like. Good luck:THUMBSUP:

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