MAC HEADERS ??

howiefisher

New Member

Jun 8, 2007

154

1

0

Ont Canada

Mar 15, 2008

#1

• Mar 15, 2008

• #1

i bought some mac shorty headers today i am going to put them on tomarrow how much hp should i gain i have an off road x pipe too so it should flow good now???10-15 hp??

 

C

canesstangnitro

New Member

Aug 27, 2006

109

0

0

Metairie, LA

Mar 15, 2008

#2

• Mar 15, 2008

• #2

yea, that sounds right. that is the normal

 

howiefisher

New Member

Jun 8, 2007

154

1

0

Ont Canada

Mar 16, 2008

#3

• Mar 16, 2008

• #3

doe any one here have mac headefs on the stang ??? didi you notice a differnce?

 

mustanglvr95

New Member

Mar 11, 2008

32

1

0

marysville, WA

Mar 17, 2008

#4

• Mar 17, 2008

• #4

hope u got some good gaskets cause mac's tend to blowout...u might notice some gain mainly topend.

 

poboys 94

Member

Dec 5, 2006

115

2

18

St. Louis Mo.

Mar 17, 2008

#5

• Mar 17, 2008

• #5

mustanglvr95 said:

hope u got some good gaskets cause mac's tend to blowout...u might notice some gain mainly topend.

Click to expand...

I agree, with the gasket issue some locking bolts would help, it will be a decent improvement over stock. Any improvement in the exhaust flow is a plus on our cars.

 

mustanglvr95

New Member

Mar 11, 2008

32

1

0

marysville, WA

Mar 17, 2008

#6

• Mar 17, 2008

• #6

ive got locking bolts with mine..they work good