How to fit eurospec muffler

[xtremecro]

I might buy a eurospec muffler brand new for a 328 or 50 bucks!. How can I make the single inlet fit on a 330?

[Hornung418]

Not recommended unless you convert the exhaust to a 6-2-1 you're better off spending the money to get the performance exhaust or an entirely different setup all together.

Courtesy of Gingerbread...

[xtremecro]

The BMW performance exhaust isn't much louder than the ZHP one. I want something more deeper. The euro spec muffler seems nice and deep

[Hornung418]

Idk what to tell you...There's a difference between noise and performance. I wouldn't put a 1-2 muffler on a 6-2 exhaust. Just doesn't justify any performance gains. The BMW Performance muffler is proven to increase power and torque while keeping the noise level in check.

[az3579]

Idk what to tell you...There's a difference between noise and performance. I wouldn't put a 1-2 muffler on a 6-2 exhaust. Just doesn't justify any performance gains. The BMW Performance muffler is proven to increase power and torque while keeping the noise level in check.

What do you mean by 1-2 and 6-2?

[Hornung418]

What do you mean by 1-2 and 6-2?

BP, the exhaust setup from the headers goes 6 runners, into 2 lengths of pipe for the remainder of system. The ZHP muffler is 2 from the engine side and is two on the open side.

In the 323/328, The exhaust system is 6 into 2 into 1 and then back to 2 at the end of the muffler.

The 323/328 system looks like this:


And here's the M54 Exhaust setup:


So you can see that you would need to weld in a Y pipe in order to run the 328 muffler. And just because it's $50 bucks doesn't mean you should buy it. Save up and get a real system, or make a custom setup with a single pipe catback system and the Euro-Spec 328 muffler on the end with a glass pack in the middle somewhere.

Single pipe setups are considerably lighter than the M54 setups. So you can save weight, but the stock ZHP setup flows extremely well.

[midlandtech]

If your set on fitting it you will need to y the exhaust 2-1 then through the muffler, it would be detrimental to performance IMO but if that's not your concern go for it, other wise I would look for a louder 2 in 2 out muffler


~Steve
Sent from my iPhone using Tapatalk

[az3579]

Thanks for the explanation, Horny. I'm wondering why BMW did that; I thought all the 6-cyl ones were 2 pipes throughout the entire system from the headers...

[Hornung418]

In Germany when the e46 was released in 1998, there was a huge tax for vehicles with over 200 horsepower. So BMW roped the 328 down to 193. It's clear that the M54 was in development and they were experimenting with different exhaust setups and intake manifolds. With the 323/328 they needed to save weight so the effects of limited power weren't as noticeable.

[az3579]

In Germany when the e46 was released in 1998, there was a huge tax for vehicles with over 200 horsepower. So BMW roped the 328 down to 193. It's clear that the M54 was in development and they were experimenting with different exhaust setups and intake manifolds. With the 323/328 they needed to save weight so the effects of limited power weren't as noticeable.

Cool; didn't know that.