Muffler opinions
Thread Starter
|
Junior User
Joined: Nov 2004
Posts: 66
Likes: 0
Muffler opinions
Alright this has been posted probably a 1000 times but here it goes anyway,
I have a '04 5.4 F250 , I put a flowmaster 70 series on it a couple months ago and it just isn't floating the boat,you can't even really tell the differance from stock. Would bumping up to a 50 series do the trick,I don't want a screamer but definatley want it noticeable,that nice deep rumble when you start it up and it just sounds throaty,any help????
I have a '04 5.4 F250 , I put a flowmaster 70 series on it a couple months ago and it just isn't floating the boat,you can't even really tell the differance from stock. Would bumping up to a 50 series do the trick,I don't want a screamer but definatley want it noticeable,that nice deep rumble when you start it up and it just sounds throaty,any help????
Posting Guru
Joined: Jan 2003
Posts: 1,238
Likes: 0
From: Back in the TX Coast
I second the 40...I am having an original 40 installed in a couple of weeks 3" in / dual 2.5" out...I am installing the magnaflow on my wifes 5.4l expidition check out the website for some sound bites 
Junior User
Joined: Mar 2005
Posts: 50
Likes: 0
From: Massachusetts
I have a 2003 f-250 5.4 that I just put the Flowmaster 40 on 3" in / dual 2.5 out.
It sounds great, but now I get a check engine light, 02 sensor code shows bank 2.
I've tried diconnecting the battery to clear the code, this works fine until the 7th or so time I start my truck then the code comes back. This didn't happen until I changed the exhaust.
Has this happened to anyone else?? Anyone have any suggestions?
It sounds great, but now I get a check engine light, 02 sensor code shows bank 2.
I've tried diconnecting the battery to clear the code, this works fine until the 7th or so time I start my truck then the code comes back. This didn't happen until I changed the exhaust.
Has this happened to anyone else?? Anyone have any suggestions?
Junior User
Joined: Mar 2005
Posts: 50
Likes: 0
From: Massachusetts
I have the hypertech programer. I called flowmaster tech support, they said disconnect the battery for about 1/2 hour, then drive it hard for a couple of miles the computer may have to relearn the airflow.
I don't know, i tried it and the light hasn't come on yet, but it seems to come on just after starting it like the first rush of air throws it off.
I don't know, i tried it and the light hasn't come on yet, but it seems to come on just after starting it like the first rush of air throws it off.
Posting Guru
Joined: Apr 2004
Posts: 1,342
Likes: 0
From: Georgia
I don't know which series mine is but it is a large 3 chamber flowmaster. Have had no issues with check engine light. I also have a mild hypertech program setting (for 87 octane).
Trending Topics
Laughing Gas
Joined: Jan 2004
Posts: 1,142
Likes: 2
From: Denver, CO
I have an FM 40 on my truck and am planning on switching to a AeroTurbine 3030 in the future. The AeroTurbine is the best exhaust system I have heard.
FTE Stories
Ford Trucks for Ford Truck Enthusiasts
2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)
Brett Foote
Top 10 Ford Truck Tragedies
Joe Kucinski
AEV FXL Super Duty - the Super Duty Raptor Ford Doesn't Make
Brett Foote
Lobo Vs Lobo: Proof the F-150 Lobo Should Be Even Lower!
Michael S. Palmer
Ford's 2001 Explorer Sportsman Concept Looks For a New Home
Verdad Gallardo
10 Best Ford Truck Engines We Miss the Most!
Joe Kucinski
2026 Shelby F-150 Off-Road: Better Than a Raptor R?
Brett Foote
2027 Super Duty Carhartt Package First Look: 12 Things You NEED to Know!
Michael S. Palmer
10 Most Surprising 2026 Ford Truck Features!
Joe Kucinski
Thread Starter
|
Junior User
Joined: Nov 2004
Posts: 66
Likes: 0
Originally Posted by Outpost22
The 40 is loud and drones. I went with a 50 on the V10, and it doesn't drone like a 40 inside the cab. The 70 is just like a stocker.
And why the hell is there not one darn exhaust manufacturing website with a sound gallery of any Superduty's with there exhaust systems.Ton's of other trucks.Now that is annoying
Junior User
Joined: Mar 2005
Posts: 50
Likes: 0
From: Massachusetts
Well I changed the sensor behind the cat, the real name is "catalytic converter efficiency sensor". I drove it around for a while, shut the engine down a few times and restarted it. So far no check engine light and the truck seems to have more power, hopefully I solved the problem.
Thread
Thread Starter
Forum
Replies
Last Post
kjgibson2
Pre-Power Stroke Diesel (7.3L IDI & 6.9L)
1
May 16, 2012 09:04 AM