Stock Y pipe mods

Reply Subscribe

Thread Tools

Search this Thread

Jun 3, 2015 | 08:43 PM

#11

RacinRust

TECH Apprentice

Joined: Feb 2011

Posts: 396

Likes: 1

From: North Texas

Quote:

Originally Posted by black00chev

i actually pressure tested my cats once, thinking they were plugged up. I only had a .5psi difference in exhaust pressure before/after the cat. So they are not restrictive at all. I wouldn't waste the time modding the stock y-pipe. It's actually pretty good. Just spend the $350 for some headers and ory.

^^^x2

Jun 3, 2015 | 10:18 PM

#12

gamble686

TECH Fanatic

iTrader: (3)

Joined: Apr 2011

Posts: 1,642

Likes: 3

From: Arizona

Quote:

Originally Posted by racinrust

^^^x2

x3^^^

Jun 4, 2015 | 08:37 AM

#13

Choda

TECH Addict

iTrader: (1)

Joined: May 2012

Posts: 2,781

Likes: 62

From: Buffalo NY

x4^^^^^

Jun 11, 2015 | 09:05 AM

#14

Shtbox

Launching!

Joined: Aug 2013

Posts: 211

Likes: 0

I just did this monday and well it sounds pretty bad at 1500 rpms.I had stock exaust with a 1 in 1 out flowmaster dumped after the cab with the cats on it was real quiet and with the cats off it just sounds like ****.

Jun 11, 2015 | 08:39 PM

#15

bobfig

TECH Apprentice

Joined: Oct 2010

Posts: 363

Likes: 3

From: Houston, TX

what did you do? long tubes? custom y pipe?

Jun 11, 2015 | 09:15 PM

#16

Shtbox

Launching!

Joined: Aug 2013

Posts: 211

Likes: 0

Quote:

Originally Posted by bobfig

what did you do? long tubes? custom y pipe?

Stock manifolds replaced cats with strait pipe and flowmaster dumped after my cab but today I put a pipe out the rear and its a lot quieter but at a certain rpm it still makes that baffling sound