Orange Juice

iTrader: (3)

I am happy with my exhaust from my flowmaster merge forward. The issue that I have is from the merge back. I still have a stock over the axle pipe with a 3 inch electric cutout at the bend going into the muffler. I have been told that I should be running 4" from the merge back to the cutout but I can't see that I have room. Is there anyone that modifies the panhard support bar to gain more clearance?
I don't think true duals is possible because of the size of the MId west torque arm and I want to keep the center mount style tips.
These are the tips that I have had made to replace the existing ones

DaveX

What I plan on doing is running a 4" back to the cutout which will be installed before the axle, under/behind the passenger seat. So basically a short 4" pipe from the merge to the cutout. And then reducing it to 3" right after the cutout and over the axle to the muffler.

HavATampa

iTrader: (49)

A lot of guys are doing 4" to the back. Search for 4" Mufflex and Panhard Bar Relocation to get all the information and pics you need. Here's a few starter links:

https://ls1tech.com/forums/showthrea...ferrerid=13535

http://www.byunspeed.com/product_inf...oducts_id=6419

Orange Juice

iTrader: (3)

Thanks for the link, I have never seen that PH bar relocation kit. Mufflex only wants to sell the complete 4" system, does anyone just sell a 4" over the axle pipe? I spoke to flowmaster and they couldn't help.

HavATampa

iTrader: (49)

Yeah...finding just the over the axle pipe in 3" is tough, but can be found.

https://ls1tech.com/forums/showthrea...ferrerid=13535

Finding a pre-made 4" is almost impossible it seems. You may have to buy some 4" mandrel bends and fab it yourself.

Orange Juice

iTrader: (3)

It seems that the reworked PH bar is designed for putting twin 3" pipes over the rear axle, does anyone know if you can also fit a 4" pipe?

HavATampa

iTrader: (49)

lol...did you even bother reading the 1st link I posted above the Byunspeed link? It's a thread with pictures showing 4" over the axle catbacks.

One pic shows the brace is removed altogether, not a good idea IMO.


Another link is showing it's being done with the stock PHB brace.


https://ls1tech.com/forums/showthrea...ferrerid=13535

Orange Juice

iTrader: (3)

I looked at the photos and couldn't really see how it was done.

black00ssFL

iTrader: (24)

Here's the exhaust I built having a MWC 9" setup.

https://ls1tech.com/forums/12641179-post35.html

RPOWU8

iTrader: (13)

Both UMI and BMR make the relocation bars. They are a little on the expensive side but provide plenty of clearance for a 4" intermediate pipe.

My car has a 3" to 4" flowmaster Y with 4" up and over the rear to a single 4" in to dual 3" out magnaflow muffler to dual 3" tailpipes out the left rear side. Nice & quite and flows plenty of air.

The 4" intermediate pipe can be made from a tailpipe off early 2000's chevy trucks with a little cutting and re-fitting. It's also made out of Stainless and is made and sold by magnaflow.


DJ