V6 Duals Pipe dia?

Reply Subscribe

Thread Tools

Search this Thread

Nov 8, 2003 | 10:29 AM

bigredranger

Thread Starter

New User

Joined: Nov 2003

Posts: 4

Likes: 0

V6 Duals Pipe dia?

Hey guys I just registered and have a question.

I have a 94 ranger with a 4.0 V6. I just put in some headman headers and am going with 40 series delta flows. My question is how big should my pipe be. I having a local shop leave off the cats and custom bend the whole thing but i dont know what size pipe to get. I'm not using a y pipe but just haveing 2 pipes come strait off the headers. Any body know what size i should get? I was thinking 2 1/4 or 2 1/2. Thanks

Nov 11, 2003 | 05:10 PM

WhëëlMå1

Super Moderator

Joined: Oct 2002

Posts: 8,547

Likes: 6

From: MA

I am sorry to hear that you are removing the smog equipment. For that motor, I would imagine dual 2.25"s should work fine (a single 3" flows enough for ~360rwhp if that gives you some kind of benchmark).

Rich

Nov 11, 2003 | 06:25 PM

openclasspro

Senior User

Joined: Jul 2003

Posts: 379

Likes: 0

From: irwin,pa

use a x-pipe for bottom end torque!

Nov 13, 2003 | 02:32 PM

bigredranger

Thread Starter

New User

Joined: Nov 2003

Posts: 4

Likes: 0

If high flow cats weren't so expensive i would definatley get them but I dont have any money for something that doesnt even matter in Michigan.

Nov 13, 2003 | 03:50 PM

agelder

Senior User

Joined: Apr 2003

Posts: 384

Likes: 0

From: Acworth, GA

Go to ebay, they have catco ones there for about $40 each

Nov 21, 2003 | 04:11 PM

bigredranger

Thread Starter

New User

Joined: Nov 2003

Posts: 4

Likes: 0

Anyone else have any input on my pipe size?

Would there be a problem with going 2.25" to my muffler then 2.5" out to a 18" long 3 inch tip?

just trying to explore all options.

Last edited by bigredranger; Nov 21, 2003 at 04:13 PM.

Nov 23, 2003 | 08:18 AM

ctfuzzy

Posting Guru

Joined: Sep 2003

Posts: 2,263

Likes: 0

From: N. Florida - The "No 4x4

Quote:

Originally posted by bigredranger
If high flow cats weren't so expensive i would definatley get them but I dont have any money for something that doesnt even matter in Michigan.

Respectfully, you are not just putting &*%^ in the *Michigan* air. Please, try and think a little larger than your own back yard!

Now, to answer your question:

The appropriate size pipe will depend on your intention.

If you just want noise - it doesn't matter what size.

If you want low end power; stay small, duel 2 1/4 is the MAX I would recommend.

If you plan on turning into the 4-6000 RMP range I would recommend dual 2 1/2 to 2 3/4 inch pipe.