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View Full Version : 91 4.0 V6 2, 2.25, 2.5 from cat back


91rangerstx
08-18-2008, 07:25 PM
which should i go with a 2in 2.25in or 2.5in on my 91 ranger 4.0 with a flowmaster 40 or 44 also the 40 or 44 which is better would really like the help thanks

turbo cat
08-18-2008, 07:26 PM
i would go single 2.5" to 3" with a hooker maxflow

Hahnsb2
08-18-2008, 11:37 PM
IMHO 2.5" sounds the best, the 44 should be a bit deeper/louder than the 40.

UrbanRedneckKid
08-19-2008, 12:57 AM
2.5" pipe is perfect for the 4.0. The 40 series also sounds great. Expecially with dual outlets.

91rangerstx
08-19-2008, 03:33 PM
think im going to go with 2.5 all the way from the cats with a 44

91rangerstx
08-19-2008, 03:34 PM
thanks guys

91rangerstx
08-19-2008, 07:38 PM
so should i got 2in in and 2.5 out or 2.5 both

turbo cat
08-19-2008, 07:47 PM
heres a hooker max flow clip
http://www.youtube.com/watch?v=tFkJJhhafLM&feature=related
http://www.youtube.com/watch?v=45cDQvDM-K4&feature=related
heres a flowmaster
http://www.youtube.com/watch?v=Xo0eJU7A0c8

the flowmaster aka rustmaster and dronemaster is louder the max flow is deeper and smoother and way less drone and down low sounds closer to a v8 than the flow in my 02 and the max flow is a strait thru muffler its not chambered. having exhaust gases uncompress into a chambered muffler and then recompress to go thru the tail pipe is poor performance where as the max flow is like having no muffler there helping keep the velocity up as long as the pipe size is not too big

UrbanRedneckKid
08-19-2008, 11:39 PM
Mine's 2.5" from the y-pipe back with a highflow cat and a Flowmaster Delta Flow 40 Series with dual 2.5 tailpipes. And this weekend I'm welding on 3.25" angle cut tips. I noticed a power gain throughout the entire RPM range not just topend. And I sounds so good, it's pretty loud outside, and on the highway with the windows up it's almost not noticable. Perfect for me. But the best part of it is, at idle, the dual pipes almost have a rumble that resembles a 5.0.

91rangerstx
08-20-2008, 05:27 PM
ok diff idea do 2.5 from the catback but right after the 40 or 44 put a turn down on it would its sound good still ??

DeanMLFlame
08-20-2008, 10:13 PM
2.25in is plenty...Get the American Thunder Cat-back from Flowmaster...not loud like a 40 but it has a great rumble..

turbo cat
08-20-2008, 10:14 PM
if you do that it will sound like this.
http://www.youtube.com/watch?v=uu15Y8fSYE4&feature=related
I ran a 40 series liek your describing on my 4.0 and it swas too loud and droned alot but if you want loud go for it

i would look all over youtube if i was you for sound clips first then decide what you want. everyone is different. but hearing the sound clips you can track down what you want. Nothing like spending a few hundered on exhaust work to find out you hate the sound or its too loud.....

UrbanRedneckKid
08-21-2008, 12:27 AM
ok diff idea do 2.5 from the catback but right after the 40 or 44 put a turn down on it would its sound good still ??

No.:nono:

Driving mine around for 2 days before I got my tailpipes bent up was horrible.
I was almost kinda ricey and so obnoxiously loud, my buddy told me it sounded like a Honda with an open manifold passed his house. That and it melted the plastic around my e-brake cable.

91rangerstx
08-21-2008, 04:53 PM
my cables on the drivers side anyways

UrbanRedneckKid
08-22-2008, 12:15 AM
my cables on the drivers side anyways

Oh, so you don't have a cable that goes from the driver's side across the axle and into the passenger's side drum?

Your parking brake must suck, only locking one wheel...

rickcdewitt
08-22-2008, 08:38 AM
the 40 flow and duals on my truck do drone quite a bit and is a bit loud for my taste.but then again i want a quiet hunting exhaust,not a highschool noisemaker.

91rangerstx
08-22-2008, 05:49 PM
yea well its a $900 offroad truck not a show truck so it doesnt really matter lol

turbo cat
08-22-2008, 10:25 PM
if its just a beat around offroad truck just hack the muffler off