FM70 catback installed, audio inside
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Joined: Mar 2005
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FM70 catback installed, audio inside
Installed the 05-07 FM70 catback yesterday and here are two clips.
stock.wmv is stock exhaust
fm70.wmv is the FM70.
Both are at startup or just after and rev up to 2500 even though it sounds like 1500 rpm. I'll try to get a take off/drive by clip this weekend and some more pics.
Install is easy but removing the stock unit wihtout cutting will require a lift. Not for the home do it yourselfer, just way to long. I cut the stock one where it turns down after the axle in a straight part and it came right out.
Stock unit is VERY HEAVY. Unfreakin real how heavy that stock unit is!
http://www.margetta-racing.com/video/stock.wmv (1.4mb)
http://www.margetta-racing.com/video/fm70.wmv (1 mb)
http://www.margetta-racing.com/pics/muffler1.jpg
http://www.margetta-racing.com/pics/muffler2.jpg
Sounds good driving and isn't too loud like I was worried about with a 50. More to follow as I tow with it next weekend. I can actually tell when the engine is running now without having to look at the tach!
WPT acceleration isn't loud in the cab at all. A slight drown at about 1500 but I never cruise around that RMP anyway on the highway.
stock.wmv is stock exhaust
fm70.wmv is the FM70.
Both are at startup or just after and rev up to 2500 even though it sounds like 1500 rpm. I'll try to get a take off/drive by clip this weekend and some more pics.
Install is easy but removing the stock unit wihtout cutting will require a lift. Not for the home do it yourselfer, just way to long. I cut the stock one where it turns down after the axle in a straight part and it came right out.
Stock unit is VERY HEAVY. Unfreakin real how heavy that stock unit is!
http://www.margetta-racing.com/video/stock.wmv (1.4mb)
http://www.margetta-racing.com/video/fm70.wmv (1 mb)
http://www.margetta-racing.com/pics/muffler1.jpg
http://www.margetta-racing.com/pics/muffler2.jpg
Sounds good driving and isn't too loud like I was worried about with a 50. More to follow as I tow with it next weekend. I can actually tell when the engine is running now without having to look at the tach!
WPT acceleration isn't loud in the cab at all. A slight drown at about 1500 but I never cruise around that RMP anyway on the highway.
Last edited by GT4point6; Oct 6, 2007 at 10:33 AM.
Hotshot
Joined: Mar 2007
Posts: 10,101
Likes: 40
From: Pa
It sounds good.
The FM 70 is a good replacement for the stock muffler.
Yep the stock system is heavy (Very Thick Tubing) you'll have a hard time rusting through the stock tubing.
It will sound better when the truck is loaded good.
Thanks for sharing.
The FM 70 is a good replacement for the stock muffler.
Yep the stock system is heavy (Very Thick Tubing) you'll have a hard time rusting through the stock tubing.
It will sound better when the truck is loaded good.
Thanks for sharing.
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Originally Posted by boxcar1974
Guys, I still have to take a video my my set up. Banks kit with a FM70.
GT4, were you the fella who would post it?
GT4, were you the fella who would post it?
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Originally Posted by TP83
hows the incab noise? sounds good.
It is just what I wanted, a little more exhaust note but not to much. Great price too!
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Joined: Mar 2005
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Originally Posted by TP83
Thanks Kevin, Im trying to avoid hearing the exhaust when im towing for 7 hrs with OD off. but i like the rumble around town like my f150 has.
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Towing update on the FM70 catback. Sounds great! Not to loud and a little rumble from 1500-2200 or so when cruzing. Not enough to have to raise your voice but just enough to know it's there. When the TS downshifts under braking, it gets loud. You can here it a little bit on the clip I posted when I lift off the throttle but it's really loud under downshifts!
I'll get some drive by's and take off's this weekend with the trailer and post the clips.
I'll get some drive by's and take off's this weekend with the trailer and post the clips.
