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Who Has Downpipes + Thermal Exhaust ??

F=MA

F=MA

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Please post a video of how it sounds ;)
 

OP
F=MA

F=MA

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Please...
 

twin001

twin001

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I do, but I've heard videos online and they just don't sound the same. Fenfab catted dps installed for ~1month, Thermal installed yesterday. Sounds nasty mean at WOT but very tame and quiet when normal driving around.

I'll try to record something tomorrow. Watching F1 now and don't plan on going anywhere tonight.
 

T

TMac

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twin001 said:
I do, but I've heard videos online and they just don't sound the same. Fenfab catted dps installed for ~1month, Thermal installed yesterday. Sounds nasty mean at WOT but very tame and quiet when normal driving around.

I'll try to record something tomorrow. Watching F1 now and don't plan on going anywhere tonight.
Click to expand...
Are you throwing any codes due to the Fenfab cats? Did it come with defoulers or did you add them?
 

OP
F=MA

F=MA

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Defoulers come with deFenfab downpipes eh... IMG_6525.JPG IMG_6526.JPG
 

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BigJ1982

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TMac said:
Are you throwing any codes due to the Fenfab cats? Did it come with defoulers or did you add them?
Click to expand...
I have same setup as twin001, didn't run defoulers and didn't throw CEL. Have it tuned now, so indifferent. Agree with sound, it's awesome.
 

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Ford Guy

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You guys feel much more power with dp's?
 

OP
F=MA

F=MA

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Who did and didn't run defoulers with the Fenfab downpipes, in general. Wondering if they are even needed?
 

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F=MA

F=MA

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twin001 said:
I do, but I've heard videos online and they just don't sound the same. Fenfab catted dps installed for ~1month, Thermal installed yesterday. Sounds nasty mean at WOT but very tame and quiet when normal driving around.

I'll try to record something tomorrow. Watching F1 now and don't plan on going anywhere tonight.
Click to expand...
Tomorrow is another day...
 

T

TMac

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Like the sign says, "Free beer tomorrow!"
 

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zdubyadubya

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F=MA said:
Who did and didn't run defoulers with the Fenfab downpipes, in general. Wondering if they are even needed?
Click to expand...
I didn't but then they threw a code after about 150 miles. So now I do. I used the smallest orifice.
 

OP
F=MA

F=MA

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Just double checking the defoulers go into the ports on the downstream side of the cat , i.e. just before the mid-pipe connection?
 

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TMac

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Yes.
 

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Blown F-150

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F=MA said:
Just double checking the defoulers go into the ports on the downstream side of the cat , i.e. just before the mid-pipe connection?
Click to expand...
Yes


Sent from my iPhone using Tapatalk
 

twin001

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Defoulers are included, installed downstream of cats. Mine are in and have been for about a month with no CEL.

@F=MA you got the fancy flanges!!!
 

OP
F=MA

F=MA

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Probably due to a parts shortage... bling bling bling !
 

Last edited:
F

Ford Guy

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Here's a clip of a cold start.
Borla Atak
X pipe (Borla mid resonator replaced)
SPD downpipes
93 octane tune
 

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F=MA

F=MA

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Borla Attack on steroids !!
 

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