Last month on the C-10 we showed Classic Performance Products' trailing arm crossmember for the '67-72 Chevy trucks in preparation to run a new exhaust system through it-up out of harms way! The old exhaust system hung down too far after the truck was lowered and it didn't live too long as a result. I wasn't about to make the same mistake twice.

Obviously a heavily lowered C-10 with an LS engine and a 700-R4 isn't that standard in the world of pre-made exhaust kits, so one would have to be built from scratch. This is where Flowmaster's U-Fit Dual Kit comes into play. It is an affordable, comprehensive, universal exhaust system kit that you add mufflers and hangers to and cut and weld as your needs see fit (or have a shop easily do it for you). There are enough mandrel-bent tubes in the U-Fit Dual Kit to configure your exhaust just about anyway you want. It also includes pieces for a crossover or balance tube, as well as your choice of optional tailpipe exits.

Of course Flowmaster has mufflers to suit just about anything and are known for their famous and aggressive 40 Series mufflers, but I wanted a muffler that was anything but "loud". My intent is to drive the C-10 on a daily basis and to do so with some sort of economy, which means I would have to keep my foot out of it and we all know aggressive mufflers aren't very good for exercising restraint. After expressing my needs to the folks at Flowmaster, they suggested their 50 Series SUV muffler. It is a larger version of the regular 50 Series muffler, which means it is quieter and thanks to a special tuning chamber, features reduced interior resonance. The Flowmaster website does a pretty good job of differentiating their mufflers as well and has all the physical dimensions of each muffler.

I decided to let someone else do the work for me this time and took the truck and the Flowmaster parts over to The Muffler Man in Placentia, California, for the install. Since The Muffler Man does this kind of stuff all day, every day, it only took about five hours for the install from start to finish. Going all the way out the back of the truck would take a little longer. We also didn't install a crossover tube in the system despite the advantages to using one because the exhaust runs through the trailing arm crossmember and it would make it impossible to remove the system without cutting it.

After some time in the driver seat I can say I'm quite happy with the results. The truck has a mild-mannered sound at idle and under normal cruising, but growls just enough to let you know it's there when the pedal goes to the metal. See more of what Flowmaster has to offer at www.flowmastermufflers.com.

SOURCE
Flowmaster
8-00/-544-4761
www.flowmastermufflers.com
The Muffler Man
714-524-7818
www.ocmufflerman.com
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