Magnaflow Clamp Torque
#1
06-03-2006 | 10:26 AM
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Junior Member
Joined: May 2006
Posts: 3
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From: BERLIN, CT
Magnaflow Clamp Torque
I just finished installing a Manaflow SISO on my '02 4.6 F150. The sound is great, just what I was looking for. It's not too loud inside. Outside it's definitely there but not too obnoxious. Does any one know of a torque spec. for the 2 1/2 and 3 inch clamps? I have them @ 55 Ft./Lbs. right now.
#2
06-03-2006 | 11:41 AM
Senior Member
Joined: Jun 2004
Posts: 2,823
Likes: 15
From: Houston, TX
If my memory serves me correctly, the torque setting for my Maggie cat-back system was 60 ft.lbs.
Be careful though, because when I did my install, the bolts on several of the clamps twisted off before I could achieve MagnaFlow's recommended torque settings!
In fact, I was so disenchanted with MagnaFlow's factory clamps that I went out and sprung for some stainless steel band clamps at NAPA to replace all of the MagnaFlow clamps. These NAPA clamps are far superior in design and construction to the Magnaflow clamps, and I believe it was money well spent!
If I were you, I'd let your system sit tight at 55 ft.lbs. and wouldn't attempt to torque them down anymore.
FYI -- here is a picture of one of the NAPA clamps installed on my system:
Be careful though, because when I did my install, the bolts on several of the clamps twisted off before I could achieve MagnaFlow's recommended torque settings!
In fact, I was so disenchanted with MagnaFlow's factory clamps that I went out and sprung for some stainless steel band clamps at NAPA to replace all of the MagnaFlow clamps. These NAPA clamps are far superior in design and construction to the Magnaflow clamps, and I believe it was money well spent!
If I were you, I'd let your system sit tight at 55 ft.lbs. and wouldn't attempt to torque them down anymore.
FYI -- here is a picture of one of the NAPA clamps installed on my system:
#3
06-03-2006 | 12:12 PM
Senior Member
Joined: Nov 2005
Posts: 17,118
Likes: 7
From: Burleson, Texas
Originally Posted by ddellwo
If my memory serves me correctly, the torque setting for my Maggie cat-back system was 60 ft.lbs.
Be careful though, because when I did my install, the bolts on several of the clamps twisted off before I could achieve MagnaFlow's recommended torque settings!
In fact, I was so disenchanted with MagnaFlow's factory clamps that I went out and sprung for some stainless steel band clamps at NAPA to replace all of the MagnaFlow clamps. These NAPA clamps are far superior in design and construction to the Magnaflow clamps, and I believe it was money well spent!
If I were you, I'd let your system sit tight at 55 ft.lbs. and wouldn't attempt to torque them down anymore.
FYI -- here is a picture of one of the NAPA clamps installed on my system:
Be careful though, because when I did my install, the bolts on several of the clamps twisted off before I could achieve MagnaFlow's recommended torque settings!
In fact, I was so disenchanted with MagnaFlow's factory clamps that I went out and sprung for some stainless steel band clamps at NAPA to replace all of the MagnaFlow clamps. These NAPA clamps are far superior in design and construction to the Magnaflow clamps, and I believe it was money well spent!
If I were you, I'd let your system sit tight at 55 ft.lbs. and wouldn't attempt to torque them down anymore.
FYI -- here is a picture of one of the NAPA clamps installed on my system:
#5
06-05-2006 | 12:14 PM
Member
Joined: May 2006
Posts: 94
Likes: 0
Originally Posted by ddellwo
If my memory serves me correctly, the torque setting for my Maggie cat-back system was 60 ft.lbs.
Be careful though, because when I did my install, the bolts on several of the clamps twisted off before I could achieve MagnaFlow's recommended torque settings!
In fact, I was so disenchanted with MagnaFlow's factory clamps that I went out and sprung for some stainless steel band clamps at NAPA to replace all of the MagnaFlow clamps. These NAPA clamps are far superior in design and construction to the Magnaflow clamps, and I believe it was money well spent!
If I were you, I'd let your system sit tight at 55 ft.lbs. and wouldn't attempt to torque them down anymore.
FYI -- here is a picture of one of the NAPA clamps installed on my system:
Be careful though, because when I did my install, the bolts on several of the clamps twisted off before I could achieve MagnaFlow's recommended torque settings!
In fact, I was so disenchanted with MagnaFlow's factory clamps that I went out and sprung for some stainless steel band clamps at NAPA to replace all of the MagnaFlow clamps. These NAPA clamps are far superior in design and construction to the Magnaflow clamps, and I believe it was money well spent!
If I were you, I'd let your system sit tight at 55 ft.lbs. and wouldn't attempt to torque them down anymore.
FYI -- here is a picture of one of the NAPA clamps installed on my system:
FYI the part numiber for NAPA's 2.5" clamp is 7335979.
Last edited by ISNMU; 06-05-2006 at 12:54 PM.
#6
10-10-2006 | 04:12 PM
Member
Joined: Oct 2003
Posts: 23
Likes: 0
From: San Francisco Bay Area
Originally Posted by ISNMU
FYI the part numiber for NAPA's 2.5" clamp is 7335979.
TIA,
Jeff
EDIT: OK, so the magnaflow.com site has the install instruction sheets that are missing from my shipment. Stock hangers are used, 2.5" clamp for front, 3" clamp for the other two. It goes on tomorrow!
Last edited by jvr-sfbay; 10-10-2006 at 05:34 PM.
#7
10-11-2006 | 03:53 PM
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Joined: Oct 2003
Posts: 23
Likes: 0
From: San Francisco Bay Area
I'll chime in with the others who went with Magnaflow. The fit and finish is of excellent quality. Good sound, good looks, and I'm easily 3 seconds faster 0-60 now. 
Well, ok, maybe not - I only have 6 miles on it.
I ended up having a shop install mine because I did not have the cutting tools necessary to get the factory exhaust removed. Everything was seriously rusted together.
The Napa clamps are real nice also.
Nice rumble on throttle, quiet at idle, and not overbearing in any way. If what I read is true, I can expect some increase in rumble as the miles pile on. It's too early to tell about performance.
Well, ok, maybe not - I only have 6 miles on it. I ended up having a shop install mine because I did not have the cutting tools necessary to get the factory exhaust removed. Everything was seriously rusted together.
The Napa clamps are real nice also.
Nice rumble on throttle, quiet at idle, and not overbearing in any way. If what I read is true, I can expect some increase in rumble as the miles pile on. It's too early to tell about performance.
