which headers will give the most horse?

Z4-VILLA · 08-30-2010, 10:49 AM

i have about 2k to spend, i already have rpi axle backs ....love them btw....but i am un sure about headers, any strau=ight foward advice on headers with a cat delete w no check engine light?

Starscream · 08-30-2010, 12:08 PM

Put the money to 4.10 gears

without a doubt best mod I have done to my M

Starscream · 08-30-2010, 12:29 PM

Thats what I have the BMW motorsport gears,

Really makes the car a whole new barrel of fun

crfine88 · 08-30-2010, 01:13 PM

Quote:

Originally Posted by Starscream

Thats what I have the BMW motorsport gears,

Really makes the car a whole new barrel of fun

I agree with Starscream. Less headache than the headers too.

Z4-VILLA · 08-30-2010, 01:24 PM

http://www.turnermotorsport.com/html...CT_ID=E46M3-RP
is this what im supposed to get?

Diokaef · 08-30-2010, 02:45 PM

I would wait until my new exhaust system come to the market in a few months and they will come complete with headers for now I think you should do the LSD.

Z4-VILLA · 08-30-2010, 10:01 PM

any pics of r&d?

Diokaef · 08-30-2010, 10:50 PM

I will have pictures of the tips in a few days. the rest in about 3-4 weeks

pokeybritches · 08-31-2010, 04:45 AM

There's really no way around a check engine light unless you get the simulator (not sure what the status is on this) or a tune. Headers delete the primary cat and is pretty much the only intake/exhaust mod that adds a decent amount of power. Everything else is for sound and maybe a couple hp tops.

AWM3 · 08-31-2010, 06:04 AM

Quote:

Originally Posted by pokeybritches

There's really no way around a check engine light unless you get the simulator (not sure what the status is on this) or a tune. Headers delete the primary cat and is pretty much the only intake/exhaust mod that adds a decent amount of power. Everything else is for sound and maybe a couple hp tops.

My BMS X pipe and mufflers were quoted as dyno tested to increase HP by about 10 or 12. Almost all of that was attributed to the X pipe. These were not made up figures; they were established with before and after dyno runs. Changing mufflers only had minimal effect on HP.

Z4mpora · 08-31-2010, 02:18 PM

Quote:

Originally Posted by Starscream

Put the money to 4.10 gears

without a doubt best mod I have done to my M

did it bring ur 0-60 in seconds down? how much?

M II · 09-07-2010, 04:56 PM

Quote:

Originally Posted by Z4-Villalona

i have about 2k to spend, i already have rpi axle backs ....love them btw....but i am un sure about headers, any strau=ight foward advice on headers with a cat delete w no check engine light?

Cat deletes almost always result in a CEL being thrown for increased emissions. There are tunes to get around it or you can just be content with seeing the light.

There's no change in performance even with the light on. That's how it's been for my E46 M3 for a while!

08-30-2010, 10:49 AM	#1
Z4-VILLA Banned 111 Rep 2,460 Posts Drives: Z4M Hardtop Roadster Join Date: Feb 2009 Location: Classified iTrader: (0)	which headers will give the most horse? i have about 2k to spend, i already have rpi axle backs ....love them btw....but i am un sure about headers, any strau=ight foward advice on headers with a cat delete w no check engine light?
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08-30-2010, 12:08 PM	#2
Starscream Colonel 135 Rep 2,120 Posts Drives: ///M Roadster + E92 335i 6MT Join Date: Dec 2007 Location: Park Ridge NJ + Windermere FL iTrader: (23)	Put the money to 4.10 gears without a doubt best mod I have done to my M __________________ Imola Red Roadster
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08-30-2010, 12:29 PM	#3
Starscream Colonel 135 Rep 2,120 Posts Drives: ///M Roadster + E92 335i 6MT Join Date: Dec 2007 Location: Park Ridge NJ + Windermere FL iTrader: (23)	Thats what I have the BMW motorsport gears, Really makes the car a whole new barrel of fun __________________ Imola Red Roadster
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08-30-2010, 01:24 PM	#5
Z4-VILLA Banned 111 Rep 2,460 Posts Drives: Z4M Hardtop Roadster Join Date: Feb 2009 Location: Classified iTrader: (0)	http://www.turnermotorsport.com/html...CT_ID=E46M3-RP is this what im supposed to get?
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08-30-2010, 02:45 PM	#6
Diokaef Engineer 216 Rep 2,122 Posts Drives: M235I 2015, 335i 2011 Join Date: Dec 2009 Location: TAMPA FL iTrader: (17) Garage List 2008 Z4M Coupe [6.33]	I would wait until my new exhaust system come to the market in a few months and they will come complete with headers for now I think you should do the LSD.
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08-30-2010, 10:01 PM	#7
Z4-VILLA Banned 111 Rep 2,460 Posts Drives: Z4M Hardtop Roadster Join Date: Feb 2009 Location: Classified iTrader: (0)	any pics of r&d?
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08-30-2010, 10:50 PM	#8
Diokaef Engineer 216 Rep 2,122 Posts Drives: M235I 2015, 335i 2011 Join Date: Dec 2009 Location: TAMPA FL iTrader: (17) Garage List 2008 Z4M Coupe [6.33]	I will have pictures of the tips in a few days. the rest in about 3-4 weeks
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08-31-2010, 04:45 AM	#9
pokeybritches Colonel 479 Rep 2,782 Posts Drives: ESS/G-Power Z4M, VF Z4, 996tt Join Date: Sep 2009 Location: Los Angeles iTrader: (12) Garage List 2006 BMW Z4M [10.00] 2006 BMW Z4M [8.50] 2003 BMW Z4 3.0i [9.00]	There's really no way around a check engine light unless you get the simulator (not sure what the status is on this) or a tune. Headers delete the primary cat and is pretty much the only intake/exhaust mod that adds a decent amount of power. Everything else is for sound and maybe a couple hp tops.
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