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How much louder than stock is a 3.0L with headers? #1424090 10/29/05 03:21 PM
Joined: Jul 2005 Posts: 96 Iraq B b0mbrman OP CEG\'er
OP b0mbrman CEG\'er B Joined: Jul 2005 Posts: 96 Iraq	I searched and read the FAQ post, but I still need some information... ...and I'm sure you're sick of questions like this, so sorry in advance. That said, I'm having the 3.0L swap done (woo!) and am thinking of the headers as well. However, this car is also my daily driver and would prefer it to not stick out. So, how much louder is a 3.0L setup with headers when compared to the stock 2.5L engine? Significantly louder? Loud enough to stick out? Loud enough to annoy the neighbors? Also, is there any big volume difference between the Weapon R and MSDS headers? And is there anything one can do to prevent some of the loudness (short of not getting headers of course)? 3.0L 98.5 SVT - John Edwards 2008

Re: How much louder than stock is a 3.0L with head #1424091 10/29/05 09:24 PM
Joined: Aug 2001 Posts: 5,810 Ozark, AL W warmonger_dup1 Hard-core CEG'er
warmonger_dup1 Hard-core CEG'er W Joined: Aug 2001 Posts: 5,810 Ozark, AL	With what kind of exhaust? The headers will make it rumble louder on a stock exhaust. It will sound nicer and deeper. As soon as you get rid of the resonator is when you are looking at noisy. That said, you will still have lots of power with the 3l that you didn't have before. I got 196 wHP on my first dyno of my 3L hybrid engine using the completely stock SVT intake and exhaust with gutted precats. Sounded great. Soon as I pulled the resonator and went with straight through mufflers and resonator, it go noisy and droned loudly. You can put on a better exhaust with a larger diameter and still keep the noise down by using high flowing offset inlet/outlet resonator/mufflers. Former owner of '99 CSVT - Silver #222/2760 356/334 wHP/TQ at 10psi on pump gas! See My Mods '05 Volvo S40 Turbo 5 AWD with 6spd, Passion Red '06 Mazda5 Touring, 5spd,MTX, Black

Re: How much louder than stock is a 3.0L with head #1424092 10/29/05 11:08 PM
Joined: Jul 2005 Posts: 96 Iraq B b0mbrman OP CEG\'er
OP b0mbrman CEG\'er B Joined: Jul 2005 Posts: 96 Iraq	Originally posted by warmonger: With what kind of exhaust? The headers will make it rumble louder on a stock exhaust. It will sound nicer and deeper. As soon as you get rid of the resonator is when you are looking at noisy. That said, you will still have lots of power with the 3l that you didn't have before. I got 196 wHP on my first dyno of my 3L hybrid engine using the completely stock SVT intake and exhaust with gutted precats. Sounded great. Soon as I pulled the resonator and went with straight through mufflers and resonator, it go noisy and droned loudly. You can put on a better exhaust with a larger diameter and still keep the noise down by using high flowing offset inlet/outlet resonator/mufflers. I will be using the stock exhaust (well, the portion of the exhaust behind the Y-pipe...you know what I mean ). I may switch out later if I can find an aftermarket that is both quiet enough and also provides enough extra oomph to justify the cost 3.0L 98.5 SVT - John Edwards 2008

Re: How much louder than stock is a 3.0L with head #1424093 10/29/05 11:53 PM
Joined: Dec 2001 Posts: 3,570 Petoskey, Michigan R rkneeshaw Hard-core CEG\'er
rkneeshaw Hard-core CEG\'er R Joined: Dec 2001 Posts: 3,570 Petoskey, Michigan	I'm not trying to be an ass, but your'e really asking for something we can't answer. Unless we provide you with measurements in decibels, anything we say is useless. Whats loud to me may not be to you, and you're asking us to guess at what would piss of your neighbors. Sorry, but you're just going to have to make a good faith judgement. I'd say go with the headers since its harder to install them later. And who doesn't want more power? 1996 Contour SE 3.0 <Alternate Site on CarDomain>

Re: How much louder than stock is a 3.0L with head #1424094 10/30/05 08:13 PM
Joined: Jul 2005 Posts: 96 Iraq B b0mbrman OP CEG\'er
OP b0mbrman CEG\'er B Joined: Jul 2005 Posts: 96 Iraq	Originally posted by rkneeshaw3.0: I'm not trying to be an ass, but your'e really asking for something we can't answer. Unless we provide you with measurements in decibels, anything we say is useless. Whats loud to me may not be to you, and you're asking us to guess at what would piss of your neighbors. Sorry, but you're just going to have to make a good faith judgement. I'd say go with the headers since its harder to install them later. And who doesn't want more power? I assume neighbors are the same the world over. Anyhow, thanks for the advice 3.0L 98.5 SVT - John Edwards 2008

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