• Mustang Forums
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  • Fox 5.0 Mustang Tech

1 5/8 vs 1 3/4 Header ????

  • Thread starter Thread starter tonyvlx
  • Start date Start date Nov 10, 2004
T

tonyvlx

New Member
May 9, 2003
12
0
0
Woodbridge,Ont
Nov 10, 2004
#1
  • Nov 10, 2004
  • #1
For my Novi blown 306 roughly making 450-500rwhp. What would you guys recommed? 1 5/8 Longtube headers or spend the extra $$$ and go for the 1 3/4 longtube headers.

THANKS
 

04sleeper

Founding Member
Jun 22, 2002
2,674
14
89
Dallas, TX
Nov 10, 2004
#2
  • Nov 10, 2004
  • #2
For your HP requirements the 1 5/8 will be plenty big enough to flow what you need. It will most likely give you more torque as well.

What ever you decide on make sure they have good collectors on them. Thats where you will really see the difference in power.
 

cleanLX

Founding Member
Jan 17, 2001
976
537
144
Nov 10, 2004
#3
  • Nov 10, 2004
  • #3
definatly 1-3/4" for that combo.
 
S

strtracer442

New Member
Dec 12, 2003
175
0
0
Roseville,MI
Nov 10, 2004
#4
  • Nov 10, 2004
  • #4
I agree, for that output level 1 3/4
 
You must log in or register to reply here.

Similar threads

Exhaust 1 3/4” Long Tubes on a Fox Body AOD – Easiest route?
  • 5.0 Mike
  • Mar 19, 2025
  • Fox 5.0 Mustang Tech
Replies
6
Views
1K
Fox 5.0 Mustang Tech Mar 21, 2025
5.0 Mike
C
Engine Cylinder 5,,7, & 8 run significantly cooler than the other cylinders
  • Crisfixes
  • Sep 27, 2025
  • Fox 5.0 Mustang Tech
Replies
1
Views
222
Fox 5.0 Mustang Tech Sep 27, 2025
Noobz347
1973 Headers
  • Stang_1973
  • Mar 11, 2025
  • 1965 - 1973 Classic Mustangs -General/Talk-
Replies
3
Views
121
1965 - 1973 Classic Mustangs -General/Talk- Apr 1, 2025
Noobz347
N
WTB/Trade 1-3/4 Long tube or shorty headers for foxbody
  • nhlxpony
  • Jan 8, 2025
  • Exhaust Parts
Replies
4
Views
547
Exhaust Parts Jan 9, 2025
nhlxpony
N
1
Electrical Headlight harness trouble
  • 1985fox
  • Apr 14, 2026
  • Fox 5.0 Mustang Tech
Replies
7
Views
199
Fox 5.0 Mustang Tech Apr 17, 2026
AeroCoupe
Share:
Bluesky Email Share Link
  • Mustang Forums
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  • Fox 5.0 Mustang Tech
Menu
Log in

Register

  • Forums
  • What's new
  • Media
  • Resources
  • Contact
  • Sponsor
X

Privacy & Transparency

We use cookies and similar technologies for the following purposes:

  • Personalized ads and content
  • Content measurement and audience insights

Do you accept cookies and these technologies?

X

Privacy & Transparency

We use cookies and similar technologies for the following purposes:

  • Personalized ads and content
  • Content measurement and audience insights

Do you accept cookies and these technologies?