Ebay M20 Headers

[kamotors]

let me know how much of a sound difference this makes, i want to keep my car farelly quite but i want more of a rumble, and the hp gains of course :)

do you have stock muffler?

I have IE catback and catco high flow cat, but its still not too loud, I wouldn't mind a little more rumble:) , DCC got 17hp or something on a non stock motor.

[wildsnosheep]

hmm so prolly around 10hp+ for a stock engine, i have a markd chip so prolly around 10-15 for that...

[kamotors]

I'm planning to get the headers on tomorrow.

[JasonC]

When you get them on, start it up open header. I've had alot of V8 cars that i opened the headers up on. But on this inline6, it insane :crazy:

[kamotors]

When you get them on, start it up open header. I've had alot of V8 cars that i opened the headers up on. But on this inline6, it insane :crazy:

mmmmmmmm, can't wait:D

[Liam]

When you get them on, start it up open header. I've had alot of V8 cars that i opened the headers up on. But on this inline6, it insane :crazy:

Yes I agree, a truly terrifying sound.

[Danny]

My m42 sounded like a lawnmower :(

[nando]

When you get them on, start it up open header. I've had alot of V8 cars that i opened the headers up on. But on this inline6, it insane :crazy:

I have a video of my car with open headers.. it doesn't really capture the sound at all though. If there weren't sound DB limits at most tracks, it would be fun to run it like that just for kicks.

[Knockenwelle]

Hehehe...

I started mine (first time) with open header as well. And a big Schrick. And then drove it like that for 900 miles... Sounds just plain awesome!!

[Madhatter]

How many man-hours do you think goes into making a set of headers?

I'm surprised nobody has taken it upon themselves to copy a good design and have their own made up. Think it would be any cheaper than the name brand sets for sale?

Thats what these are.

I got these for $400 from the UK



they are certainly not made as well as the originals (B2B) but I test fitted them onto my spare head and they fit perfectly. I won't be using the x-pipe as I have plans for a single exhaust, but it's good enough quality that I probably could if I had to.

BTB did all the work designing the headers, getting them perfect, some really good results. Then a company called hottuning came along and copied them.

All these chinese ones are a copying this design too, but I dont think they would compare to the quality of the hottuning copies, let alone the original BTB items.

[02stu]

Ebay headers are big in the e46 community and there are plenty of dyno results proving them over at e46fanatics. Most of the ebay units are made by the same Chinese companies that make supersprint headers. I put a $160 set on my e46 M3 and didn't have a problem with them at all. They are very thin though so they'll be raspy as hell.

[kamotors]

putting them on tomorrow.

[kamotors]

poo pants,tried to do it today, struggled to get the bottom bolts off the manifold, going to the neighbors house with a lift to get it done tomorrow.

[xLibelle]

go ahead and start soaking the nuts in PB Blaster. keep them wet as long as possible. then when you get ready to air ratchet them off, an intense amount of heat will surely assist in removal.

[Danny]

go ahead and start soaking the nuts in pb blaster. Keep them wet as long as possible. Then when you get ready to air ratchet them off, an intense amount of heat will surely assist in removal.

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