I was looking around in my CHP last night and I saw something. Dr. Gas Synchronizing Crossovers. I checked it out and it looks like a pretty simple setup. It's an X-pipe crossover that you can have either before or after the cats. It said that they make custom setups for what you need. I thought I might look into this. What do you guys think?

 

X-pipes are for cars like mustangs with dual exhuast. They are much better than h-pipes also (sound and power).

 

A friend of mine added an x-pipe to his 69 Mustang and said that it made a pretty decent difference. I may try it on my RS,but want to know how much of an avg increase of power would be,cuz they're not too cheap from what I understand.

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'91 RS, 375hp 350
New paint-solid black
ROH Snyper wheels-17x9 wrapped in 275/40/17
ASCD SS hood, High-rise Z-28 spoiler,shaved handles/antenna,
Hooker super comp headers,dual 3" exhaust,two 1-chamber Flomasters,machined hi-perf GM heads,Carter 750 carb,Power Plus 360* high rise aluminum intake,Edelbrock Elite valve covers and open air cleaner,Crane 292 cam,Eibach Sportline springs,KYB struts/shocks,completely rebuilt steering linkage,36/24mm sway bars,12.7 steering box,wonderbar,145 gauge cluster,Auto meter gauges,dual guage A-piller pods,180* thermostat.
75-125 shot NOS system planned.

President-Austin 3rd Gen F-body c.c. - message board at
www.hpsmotorsports.net
See my car and others at www.ride4life.net

 

Here's their website, www.drgas.com.
They say gains of 10-25 hp, and noise is reduced by 2-6 decibels. A 3"x3" complete kit (flanges, gaskets, mandrel bent inlet and outlet tubes and the crossover junction)starts at $200. It says they also make custom kits. I think once I am ready for a new exhaust I'll try this out.

 

Also, my car won't sound like a mustang with dual exhaust will it? They all tend to sound the same and I'd like to avoid that.