American Muscle Afraid Of Variety?

ccampton · August 12th, 2010, 06:01 PM

anyone here buy anything from Lethal Performance ever?

M.P. Cobra Fan · August 12th, 2010, 06:01 PM

Any crossover is going to promote exhaust scavenging. Some are simply more efficient. The crossovers use the low pressure tail of an exhaust pulse helps increase the velocity of the high pressure front of the exhaust pulse. It is the also the reason that headers are "tuned" to certain lengths.

M.P. Cobra Fan · August 12th, 2010, 06:03 PM

Lethal is a well respected company.

BTW, Mac Prochamber and Flows FTMFW!

/thread

ccampton · August 12th, 2010, 06:23 PM

wow... so i go to buy them via paypal and paypal put a hold on my account saying I have another account with a negative balance of 115 dollars! wtf! i called them and he said their "fraud team " would look into it. Total BS I am canceling my PayPal account after this and never using them again. He said they were basically gonna take the money out of my account to cover the negative balance on the other one.

neverfastenough1 · August 12th, 2010, 06:33 PM

Originally Posted by M.P. Cobra Fan

Any crossover is going to promote exhaust scavenging. Some are simply more efficient. The crossovers use the low pressure tail of an exhaust pulse helps increase the velocity of the high pressure front of the exhaust pulse. It is the also the reason that headers are "tuned" to certain lengths.

With an x-pipe, the exhaust from one bank is going straight across the pipe from the other bank. When it does this, its creating a suction (only at high rpm's same as LT's) which pulls exhaust from the cylinder. An h-pipe equalizes pressure from one side to the other but there is no suction being created because the majority of the exhaust gas is going straight down the pipe. The gas going across the h would have to be at an angle for it to create suction, thus making it a x. Same principle as a air vac you would buy from Snap-on. You couldn't put a tube going straight into the vac tube at a right angle because it would blow both directions. The tube has to be pointing back so it creates suction.

ccampton · August 12th, 2010, 07:46 PM

so i am buying it anyway damnit. lol anyone else got em cheaper? the price is good, but they want 35$ to ship! ouch.

MAC 99-04 GT/2V 2.5 Off-Road H-Pipe (Bolts to Stock Manifolds) [MAC-43969] : Lethal Performance, Performance parts for Ford Mustangs

thats why i really like you american muscle

free shipping deals!

Bullitt5339 · August 12th, 2010, 08:03 PM

My BBK offroad H pipe sucks balls. Fitment was crap and it hangs down a good inch lower than my UPR catted X did.

I've seen and read a lot of good things about the cheaper Jeg's offroad H though, if I were going to do it again, I'd go that way instead.

ccampton · August 12th, 2010, 08:13 PM

so... I just bought these. I hope they were a good choice!

https://ssl.zoovy.com/stage3motorspo...luminized.html

kyle2002stang! · August 12th, 2010, 08:53 PM

AM should start carrying MAC exhaust components, they make good parts for damn sure!

97S281 · August 12th, 2010, 09:20 PM

I had a pypes on mine, then switched over to a bbk. The bbk is better than the pypes but i put a mac on my wife's and was really impressed with the fitment. It sealed up perfect the first time and has been riding strong ever since. When I switch to long tubes i am definately going with mac.

Boostr · August 13th, 2010, 12:07 AM

Personally I would pay a little extra and go stainless. To me it has a different tone than regular steel tubbing. Plus It will last alot longer especially if you live up north IMO. Thats my

southernindianastang · August 13th, 2010, 12:14 AM

ol boy is right....back pressure is the purpose......I like my bbk's with the flowmasters. They sound good even better with no cats.....but they do hang lower then other products I've used but this can be fixed with a plasma cutter and welding skills to adjust the brackets....my.02!

r890 · August 13th, 2010, 04:40 PM

Originally Posted by Shaun03GT

You cant run a straight pipe unless you run a gay Y pipe.

The H as a crossover is more for sound. The performance is from bigger pipe, no cats, better flow.

Also 86er, good point didnt notice that. But the Magnaflow will give a differnt tone then the pypes one. Performance wise? basically the same.

I have straight pipes on mine. Don't have a "gay y pipe" either. They come right off the manifolds and go right into my catback.

Mach Boy · August 14th, 2010, 12:46 AM

If I remember right AM used to carry MAC at one point. The problem is MAC can't keep up with their demand. You can wait months sometimes for the part you ordered to get made. AM got tired of dealing with the back orders and stopped selling MAC.

ccampton · August 14th, 2010, 09:27 PM

Originally Posted by Mach Boy

If I remember right AM used to carry MAC at one point. The problem is MAC can't keep up with their demand. You can wait months sometimes for the part you ordered to get made. AM got tired of dealing with the back orders and stopped selling MAC.

yea, the site says the wait on the shipping is 1-4 weeks, which is ok because I have yet to buy the catback

August 12th, 2010, 06:01 PM	#21
ccampton Regular 2003 Mustang GT Unknown Join Date: Jul 2010 Location: Hillsboro, Ohio Posts: 170 iTrader: 1 reviews	anyone here buy anything from Lethal Performance ever? __________________ K&N CAI, MAC O/R H, Flowmaster American Thunder Catback, Smoked Fog Lights, Sequential Tail Lights

August 12th, 2010, 06:01 PM	#22
M.P. Cobra Fan It's in the details Mod! 01 Cobra Vert Nov 09/10 ROTM! Join Date: Mar 2009 Location: Ft Stewart/Naples/Hampton/Tampa Posts: 11,013 iTrader: 1 reviews	Any crossover is going to promote exhaust scavenging. Some are simply more efficient. The crossovers use the low pressure tail of an exhaust pulse helps increase the velocity of the high pressure front of the exhaust pulse. It is the also the reason that headers are "tuned" to certain lengths. __________________ Pinup in signature by loish.net Modded Mustangs Cobra Club#007 Military Crew E5 VOTED MM's BEST SIGNATURE 2010. THANKS STANGGTR07

August 12th, 2010, 06:03 PM	#23
M.P. Cobra Fan It's in the details Mod! 01 Cobra Vert Nov 09/10 ROTM! Join Date: Mar 2009 Location: Ft Stewart/Naples/Hampton/Tampa Posts: 11,013 iTrader: 1 reviews	Lethal is a well respected company. BTW, Mac Prochamber and Flows FTMFW! /thread __________________ Pinup in signature by loish.net Modded Mustangs Cobra Club#007 Military Crew E5 VOTED MM's BEST SIGNATURE 2010. THANKS STANGGTR07

August 12th, 2010, 06:23 PM	#24
ccampton Regular 2003 Mustang GT Unknown Join Date: Jul 2010 Location: Hillsboro, Ohio Posts: 170 iTrader: 1 reviews	wow... so i go to buy them via paypal and paypal put a hold on my account saying I have another account with a negative balance of 115 dollars! wtf! i called them and he said their "fraud team " would look into it. Total BS I am canceling my PayPal account after this and never using them again. He said they were basically gonna take the money out of my account to cover the negative balance on the other one. __________________ K&N CAI, MAC O/R H, Flowmaster American Thunder Catback, Smoked Fog Lights, Sequential Tail Lights

August 12th, 2010, 07:46 PM	#26
ccampton Regular 2003 Mustang GT Unknown Join Date: Jul 2010 Location: Hillsboro, Ohio Posts: 170 iTrader: 1 reviews	so i am buying it anyway damnit. lol anyone else got em cheaper? the price is good, but they want 35$ to ship! ouch. MAC 99-04 GT/2V 2.5 Off-Road H-Pipe (Bolts to Stock Manifolds) [MAC-43969] : Lethal Performance, Performance parts for Ford Mustangs thats why i really like you american muscle free shipping deals! __________________ K&N CAI, MAC O/R H, Flowmaster American Thunder Catback, Smoked Fog Lights, Sequential Tail Lights

August 12th, 2010, 08:03 PM	#27
Bullitt5339 Hardcore Enthusiast 2001 Bullitt 12.25@110.4 Join Date: Mar 2010 Location: North Carolina Posts: 2,599 iTrader: 1 reviews	My BBK offroad H pipe sucks balls. Fitment was crap and it hangs down a good inch lower than my UPR catted X did. I've seen and read a lot of good things about the cheaper Jeg's offroad H though, if I were going to do it again, I'd go that way instead.

August 12th, 2010, 08:13 PM	#28
ccampton Regular 2003 Mustang GT Unknown Join Date: Jul 2010 Location: Hillsboro, Ohio Posts: 170 iTrader: 1 reviews	so... I just bought these. I hope they were a good choice! https://ssl.zoovy.com/stage3motorspo...luminized.html __________________ K&N CAI, MAC O/R H, Flowmaster American Thunder Catback, Smoked Fog Lights, Sequential Tail Lights

August 12th, 2010, 08:53 PM	#29
kyle2002stang! I'm going On A Manhunt! 2002 true blue GT speed of time @ 88mph Join Date: Jun 2009 Location: 55 miles west of Aberdeen SD Posts: 2,352 iTrader: 0 reviews	AM should start carrying MAC exhaust components, they make good parts for damn sure! __________________ mac lt's, mac O/R H pipe, spintech super prostreets, JLT RAI, 14"antenna, mach 1 chin spoiler, two 12" kickers.

August 12th, 2010, 09:20 PM	#30
97S281 Rollin' 18/ pushin' 2 1997 Saleen S281 Join Date: Feb 2007 Location: The lost highway Posts: 6,673 iTrader: 13 reviews	I had a pypes on mine, then switched over to a bbk. The bbk is better than the pypes but i put a mac on my wife's and was really impressed with the fitment. It sealed up perfect the first time and has been riding strong ever since. When I switch to long tubes i am definately going with mac. __________________ MODS IN GARAGE NCMM ORIGINAL BLOWN 96-98 CREW MEMBER # 1

August 13th, 2010, 12:07 AM	#31
Boostr Enthusiast 1998 Mustang GT 13.8 @ 99mph Join Date: Mar 2009 Location: North Jersey Posts: 549 iTrader: 1 reviews	Personally I would pay a little extra and go stainless. To me it has a different tone than regular steel tubbing. Plus It will last alot longer especially if you live up north IMO. Thats my __________________ Car's out back "Excuse me, Your balls are showing."

August 13th, 2010, 12:14 AM	#32
southernindianastang Newbie 03 GT Join Date: Aug 2010 Location: Brownstown IN Posts: 39 iTrader: 0 reviews	ol boy is right....back pressure is the purpose......I like my bbk's with the flowmasters. They sound good even better with no cats.....but they do hang lower then other products I've used but this can be fixed with a plasma cutter and welding skills to adjust the brackets....my.02! __________________ Stage 2 CMS cams stage 2 port and polish to PI heads BBk shorties with flow master 40's and BBK x pipe SCT 90mm MAF BBK 75mm TB Tune by Speedy Dyno in Owensboro KY. Take the time to call Greg and get your tune done right the first time!!

August 14th, 2010, 12:46 AM	#34
Mach Boy MM's Orangest 2004 Mach 1 Mustang Join Date: Sep 2007 Location: Indy Posts: 2,846 Blog Entries: 1 iTrader: 1 reviews	If I remember right AM used to carry MAC at one point. The problem is MAC can't keep up with their demand. You can wait months sometimes for the part you ordered to get made. AM got tired of dealing with the back orders and stopped selling MAC. __________________ Looking for 03/04 4V ABS Wiring Harness Connector/Incomplete Wiring Harness (with ABS connector)

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