headers?

[ironcheflam]

I'm trying to find out which is the best headers to get for the m5...i've only heard of a few that make it.

supersprint, rpi...and who else i'm just wondering if anyone has physical results between the stock headers and these aftermarket ones since they are going for a hefty price i would like to weigh my options before diving in and getting a pair to see if this mod is worth the $:hp ratio. any information would be great

thanks
d

[myke951]

rpi has the most torque gain... there are dynographs floating around on the m5board...

[NeRwEEzy]

+1 for RPI =)

[Laidback]

Whats the hp with just the headers alone?

RPI, Supersprint, RD sport, Evosport?

[Laidback]

Found this from

Supersprint Headers $5517.24

+52 hp and 37 ft lbs of torque

Posted here (http://www.supersprintna.com/product-exec/product_id/5178/search_make/1/search_year/2008/search_model/27)

RPI M5/6 E60/E63 $6999

+28 whp 31 w torque

Posted here (http://www.m5board.com/vbulletin/e60-m5-e61-m5-touring-discussion/120265-rpi-headers-dyno-28whp-31wtq.html#post1348105)


I'll add more manufacturers asap

[designo]

Yank your OEM headers out.. cut off the cats, weld a straight pipe instead and voila! You got power!!

Don't forget to remap your ECU to get rid of that annoying CEL!

[Laidback]

have you done this mod, sounds interesting:)



Yank your OEM headers out.. cut off the cats, weld a straight pipe instead and voila! You got power!!

Don't forget to remap your ECU to get rid of that annoying CEL!

[designo]

have you done this mod, sounds interesting:)

Yes... I haven't installed it yet as I am still enjoying my long tube Evosports! RPi do this and have shown good gains!

[Laidback]

HOw many hp gain for deleting the cats?Yes... I haven't installed it yet as I am still enjoying my long tube Evosports! RPi do this and have shown good gains!

[designo]

HOw many hp gain for deleting the cats?

Minimum 30! The V10 monster can breath all it wants... but if it doesn't fart it out.. what's the point! And when it does... it does so with a bang!

[myke951]

Found this from

Supersprint Headers $5517.24

+52 hp and 37 ft lbs of torque

Posted here (http://www.supersprintna.com/product-exec/product_id/5178/search_make/1/search_year/2008/search_model/27)

RPI M5/6 E60/E63 $6999

+28 whp 31 w torque

Posted here (http://www.m5board.com/vbulletin/e60-m5-e61-m5-touring-discussion/120265-rpi-headers-dyno-28whp-31wtq.html#post1348105)


I'll add more manufacturers asap

it does not gain 52hp... it gains like 15whp on the rpi dyno no exaggeration

[myke951]

Minimum 30! The V10 monster can breath all it wants... but if it doesn't fart it out.. what's the point! And when it does... it does so with a bang!

prob around 30 crank, what makes rpi's design unique is the expansion chamber

[Laidback]

Dang!:eek:


how many did you guys test? is it with a tune? did you test in on a different dyno?


it does not gain 52hp... it gains like 15whp on the rpi dyno no exaggeration


were's the expanasion chamber and whats the difference or uniqueness from others?
prob around 30 crank, what makes rpi's design unique is the expansion chamber

[John Photography]

i too would like to see how much HP the headers ALONE produces?!

[RadzM]

Voilà! Exposed! :laughhard:

[Laidback]

+1...i'll try to research more so we can get some list going...

i too would like to see how much HP the headers ALONE produces?!

[RadzM]

Dennis get a headers already!

[ironcheflam]

get me some money richard then i'll go get some...

but first i want to see results...

[E46transforM3r]

Dennis get a headers already!


somebody's impatient - lol!!!

[Cocobaci]

Anyone done some more research on this???

[Laidback]

+1:buttrock:Anyone done some more research on this???

[DentalBoy]

+1:buttrock:

rock on!!!

[GOLFFRR]

Dennis doesn't David have the RPI headers on his?

[ironcheflam]

kinda.

[Laidback]

WTH? Kinda with headers or kinda without?:lolhit:

kinda.

Dennis doesn't David have the RPI headers on his?

[ironcheflam]

i dunno what he did acutally.

[cm3go]

OEM is the way to go Bang for your dollar, its on the car already

[John Beckham]

RPI...

The reversion chambers help our engines out a ton from what I've heard.

I'm sure Eloy could elaborate on that

[Laidback]

Yup! aftermarket headers free up alot of the HP on the V10:)RPI...

The reversion chambers help our engines out a ton from what I've heard.

I'm sure Eloy could elaborate on that