The most common question is 2.5″ or 3″ true duals, and here is your answer.
A 2.75” (stock) single system is good for a 310hp engine with zero loss…
A 3” Single system is good for a 370hp engine with zero loss…
A 3.5” Single system is good for a 503hp engine with zero loss…
A 4” Single system is good for a 657hp engine with zero loss…
A 2.25” dual system is good for a 457hp engine with zero loss…
A 2.5” dual system is good for a 513hp engine with zero loss…
A 3” dual system is good for a 812hp engine with zero loss…

Heres what your gonna need for a 2.5″: * All from SummitRacing.com *

SUM-642125

SUM-G4754

SUM-G4761

2 X FLO-325108 ( Your choice )

Quantity: 2 at Autozone

* The next item is only if your using Pacesetter Longtubes *
* Hooker and Jethot Longtubes do not require this step *

I went to the local autozone and got a single 2.5″ pipe with slip fit connectors on both sides. Messured out 4 1/4″ and cut the pipe in two peices.

Quantity: 2 at Autozone * Pacesetter Longtubes Only *

You want to have the long tubes installed on the car before starting. I mocked up the exhaust by propping it all up with books and cans etc.. mark everything with numbers and lines if you welding everything off the car. I just tack welded everything and finished welded it off the car.

Weld it all up and don’t for get to slide on the collector rings!

Before you install the exhaust your going to need to mount the hangers. I used the exsisting rear seat belt holes as shown:

Next, shield the fuel lines and clearance the frame:

Heres the fun part. Install them. Here are some final installation pics:

Ground clearance is excellent: * this is the 2.5″ kit *