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My $60 2.5" cat-back exhaust 700

posted by  ovlov760 on  Tue Oct 28 05:29 CST 2003
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last visit: Thu Jul 5 04:56 CST 2001
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First off... if you don't have anything nice or useful to say, please don't bother replying! I already know i'm a cheap/stupid bastard.

All materials were purchased at Autozone. No welding was involved and I did not cut down any of the autozone pipes. Every bit is in the same shape as it was sold to me. This has taken me about 3 hours to install and get right. I love the sound and there is a definite power gain. For those who are curious it does not sound ricey and it has a nice gurgling sound at idle. It's not the nicest system in the world but it didn't cost $400. I painted it with anti-rust 1000F degree resistant furnace/stove paint to avoid rust. Though I doubt rust will be a problem.

The pics...

This is a pic of the tail-pipe and the beginning of the bend that goes over the rear axle:


This is the pipe going over the rear axle. Just as the stock system did.


Another of the pipe going over the axle.


Here is the pipe going over the front of the rear axle. For that I used a semi-flexible 18" piece of exhaust pipe.


One of the new exhaust hangars before the bend over the rear axle but after the cat. I am aware that it is upside down in this pic. It was temporary and there is a better clamp in place now.


From the cat back.


For those that are interested here are the Autozone part numbers for the exhaust pipes. Unless they are different from area to area or the employees did the tags wrong these should be correct.

Note: all pipes are 2 1/2" ID
Two - 17705 Bent pipes - $3.99
Two - 17755 Bent pipes - $3.99
Three - 17625 18" Straight Pipes - $3.99
One - 17037 18" Flexpipe - $5.99
You'll need about 10 to 12 - 2 1/2" Exhaust clamps - $1.09 or you can weld the pipes together.
Exhaust hangers - I used two of them and they cost $1.99 each. They both require their own clamp.
Black 1000F heat resistant/anti-rust furnace paint from a hardware store - $2.49


--
1988 760Tic - electric fan,cone filter w/custom heat shield, 2.5" cat-back exhaust, HD radiator, boost gauge, a/f gauge, remote start, BP7ES plugs, brown top injectors,tuned AMM, MBC@14psi - 158,800 1966 M-B 230 sedan - 98,000 1982 Rx-7 - 201,000






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