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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Wed, Mar-14-2012, 02:57:59 PM   #1
m3engineering
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Default Fabspeed Header Review!

All right everyone, as you know I got a group buy together for a set of Fabspeed Headers. I just completed the install and figured I should write a short review of my experience installing the headers.

First off this job took me 6-7 hours, and I had NO previous experience installing S54 headers. I did however have experience doing a set of truck and mustang headers. Now onto the headers, the quality of the welds is just awesome, every weld is smooth and nearly perfect. I would give these headers an EASY 10 out of 10 for fitment, the slid right into place with no bending, banging or cutting of anything at all, except for the relocation of the o2 sensor wires.

As power goes, I was not able to get the car to the dyno because my water pump went and the car was not drivable. But I do plan on getting it dyno’d eventually.

One more thing about these headers…THEY SOUND AWSOME!

If any other members who joined the group buy have installed there’s already please post up, or if anyone has questions please ask thanks.
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File Type: jpg IMG_0573.jpg (822.3 KB, 277 views)
File Type: jpg IMG_0574.jpg (854.2 KB, 272 views)
File Type: jpg headers.jpg (93.8 KB, 286 views)
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Old Wed, Mar-14-2012, 03:29:25 PM   #2
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Default Re: Fabspeed Header Review!

Nice! Thanks for the writeup. Any difference from the butt dyno? What is the rest of your exhaust setup?

Videos of the sound would be awesome
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Old Wed, Mar-14-2012, 03:51:12 PM   #3
MrMoon
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Default Re: Fabspeed Header Review!

we still need someone to do a before and after dyno with these headers

just dynoing the car without a baseline doesn't really tell us anything
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Old Wed, Mar-14-2012, 04:10:25 PM   #4
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Default Re: Fabspeed Header Review!

Quote:
Originally Posted by MrMoon View Post
we still need someone to do a before and after dyno with these headers

just dynoing the car without a baseline doesn't really tell us anything
These headers are identical to the AP headers, EVO Sports, Status Gruppe headers, and the SS V2 (non-stepped headers)...so the results shoud be more or less identical between them. The only difference would be if a tune or other mods were thrown into the mix.
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Old Wed, Mar-14-2012, 05:14:19 PM   #5
babystat
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Default Re: Fabspeed Header Review!

Good lord, the last thing we need is another one of these threads. Now everyone is gonna start trying to sell Fabspeed headers for $2k
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Old Wed, Mar-14-2012, 05:21:13 PM   #6
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Default Re: Fabspeed Header Review!

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Originally Posted by stash1 View Post
These headers are identical to the AP headers, EVO Sports, Status Gruppe headers, and the SS V2 (non-stepped headers.
countries of manufacture do differ though, from made in US, China, and Italy between them. Not to spark a debate or anything just pointing out they don't all come from the same factory although they share similar designs
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Old Wed, Mar-14-2012, 05:45:07 PM   #7
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Default Re: Fabspeed Header Review!

I don't have mine installed yet but I'm really impressed with the quality of these things. Beautiful welds and really clean ports. They don't have that messy looking pipe end inside the flanges like a lot of headers.
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Old Wed, Mar-14-2012, 06:03:47 PM   #8
stash1
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Default Re: Fabspeed Header Review!

Quote:
Originally Posted by usdmej View Post
countries of manufacture do differ though, from made in US, China, and Italy between them. Not to spark a debate or anything just pointing out they don't all come from the same factory although they share similar designs
Do you know this for fact...I don't want to burst anyone's bubble, but where do you think that Fabspeed's tubes come from??? Do you think that it's simply conincidence that all of the above mentioned headers are identical (w/the exception of the SS headers) to each other???
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Old Wed, Mar-14-2012, 06:05:43 PM   #9
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Default Re: Fabspeed Header Review!

did you re-use your heat shield? debating if I should try and install mine
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Old Wed, Mar-14-2012, 06:13:56 PM   #10
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Default Re: Fabspeed Header Review!

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Originally Posted by guttenM3 View Post
did you re-use your heat shield? debating if I should try and install mine
I removed mine when I installed my headers and see no adverse effects, now if this were a turbo exhaust...it would be a different story...
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Discussing M4 Brakes on E46 M3? in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)