Pics of my diy 40 series muffler can be found in the gallery, including a relocated rear hanger and shortened tail pipe.
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Re:Flowmaster Muffler
Date: 2006/06/21 07:01
By: admin
Status: Admin
Karma: 19
Admin
Posts: 508
Good job with the pics, I've been waiting to see someone actually do it. Keep us posted about how it affects the performance.
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Re:Flowmaster Muffler
Date: 2006/06/21 07:49
By: Dan818
Status: User
Karma: 6
F.J.C.O. Regular
Posts: 37
I dont actually have any numbers. I installed it with less the 500 miles on my FJ so i really dont have a base line. But the change is ofcourse noticable, i surmise that i gained about 5-6 hp. most manufacturers "pad" their numbers on bolt on upgrades. Im sure i could squeeze more power out if i removed one of the two cats on each bank, but that a bit too involved for now.
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Re:Flowmaster Muffler
Date: 2006/10/06 22:19
By: Moondog
Status: User
Karma: 2
F.J.C.O. Rookie
Posts: 14
How is the noise, is it noticably louder or not too bad?
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Re:Flowmaster Muffler
Date: 2006/11/08 08:03
By: Bajabandit
Status: User
Karma: 2
F.J.C.O. Pro
Posts: 82
Does the FM 40 give it a good tone or does it have that v-6 buzz? Been thinking about putting one on mine but worried about the tone not the noise.
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