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Learn how to install a high performance exhaust system in this free auto-repair video series from our custom car restoration expert and professional mechanic.
There are 18 videos in this series:
Our expert mechanic explains when and why you would get a high-performance exhaust system installed in your vehicle in this free auto-maintenance video.
Strip out or remove all muffler hangers when installing a high-performance exhaust system to make for a clean undercar to work on; learn how in this free auto-restoration video.
Mark exhaust pipe or tailpipe to make sure the very precise, custom bends in the pipe are accurate when installing high-performance exhaust on a car; learn how in this free auto-repair video.
Learn the ideal pipe diameter to expel exhaust quickly in high-performance exhaust systems in this free auto-repair videos from our custom car restoration expert and professional mechanic.
The extremely costly mandrel bends for performance exhaust systems prevent pipe diameter from fluctuating during bends; learn about mandrel bends in this free auto-repair video.
Learn about expanding the pipe to it will fit better, particularly when using large mufflers; our expert explains in this free auto-repair video.
Using an argon gas mixture helps the welding gun function in an oxygen-free environment to prevent rust; learn how in this free auto-repair video.
Learn how to adjust the welder and operate a MIG welder, both in arc volts and wire speed, in this free auto-repair video from our expert custom-car mechanic.
Tack to hold the pipe in place while fitting the muffler, then use the jack to hold the muffler while tacking it firmly; learn how in this free auto-repair video.
Weld high performance exhaust systems by carefully tacking the front of the pipe in before permanently welding the muffler in; learn how to do it in this free auto-repair video.
To install muffler hangers in high-performance exhaust systems, you have to mark where it will hang with a drill and hold the hanger to the frame; learn how in this free auto-repair video.
Weld a muffler hanger in high-performance exhaust systems with a structural weld on the side of the muffler, as our expert explains in this free auto-repair video.
Fit performance exhaust mufflers in tight places by making a flat spot in the pipe to establish ground clearance; learn how in this free auto-repair video.
Make a compound bend in a muffler to fit the pipe in tight places by making two tight bends together; learn how to make a compound muffler bend in this free auto-repair video.
Fit pipe for performance mufflers by bringing the pipe to the center of the car while bring it up as it passes the cross member; learn how in this free auto-repair video.
Fit corners of performance mufflers using a second piece of pipe to continue the exhaust system in the back end of the car, out of the way of the complex front; learn how in this free auto-repair video.
Bend tail pipes for performance mufflers by making an angle to accommodate existing double bends to fit to the adapter; learn how in this free auto-repair video.
Weld tail pipes of performance mufflers by welding the hanger and discarding the waste material when building high-performance exhaust systems; learn how in this free auto-repair video.
The sound of your custom hot rod is key to the admiration of bystanders as you cruise down the street. If your huge engine sounds like a Geo Metro, you won't get much street cred regardless of your brand new custom headers and immaculate flame job. In addition to determining the roar of your hot rod, the exhaust system also has a great deal to do with the power. The right systems have large-diameter pipes and mandrel-bent turns to reduce the back pressure in your system as much as possible. Reductions in back pressure amount to increases in performance.
In this series of custom car performance videos, our hot rod expert and body shop owner Doug Jenkins demonstrates the installation of a custom exhaust and muffler system in a 1975 Chevrolet Caprice with a 572-cubic-inch 620-horsepower engine. To get this street monster up to maximum power, Doug and his crew install 2.5” and 3” pipe with mandrel turns. Watch as he demonstrates each step in this upgrade, from removing the old muffler to expanding and bending the new pipes to welding on the new muffler. Learn professional tricks for connecting the muffler to the exhaust pipes and fitting the entire system to the chassis of your custom car.
Doug Jenkins Doug Jenkins runs Doug Jenkins Custom Hot Rods in St. Louis, where he restores classic cars and creates mild to wild custom street rods. He races a 1972 Corvette in the SCCA performance rally series, and drives a Ducati Monster to work every day. Doug got his start in fixing, customizing, racing, selling, restoring when he was in the fourth grade, fixing bicycles for anyone who would pay. By sixth grade Doug had bought non-running motorcycles and fixed them (and wrecked them as well). He had purchased his first broken down car by fourteen, which he fixed and sold for a profit. Now he runs his own body shop.dkdk
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