Cobb Tuning Mazdaspeed 3 Catback Exhaust » Cobb Catback Exhaust Installation

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2 - Cobb Catback Exhaust Installation

Cobb Catback Exhaust Installation:

Since we already had an aftermarket exhaust system on the car, our uninstall of the system was much easier, than that, of someone uninstalling the stock system. A LARGE rubber mallet was used to pursue our 14 month old catback system to break apart at the slip joints. Like i said earlier, stainless steel is impressive at sealing itself when used in a slip joint configuration and definitely needs some muscle to break it loose.

For those of you who have the stock 2.5 CBE system, you have 2 choices. You can go the difficult route and drop the rear suspension to uninstall in one piece, or choose the more logical approach and cut in in several sections. Below we begin with the removal of the stock midpipe...

The stock converter, notice the size differences, which spells.. RESTRICTION!


Stock converters internals.. notice the honey comb screen








End of the stock downpipe, which shows the removal of our mid pipe section.









Here is a picture of the removal of our GHL catback. Notice how small the muffler is. Believe it or not, the resonator on the Cobb CBE is larger than this muffler!




Here is a picture of the slip joint and black carbon all over them



Now we move on to installing a fresh donut exhaust gasket which is affixed to our new racepipe.





Here we are lining up the first section of the catback forward piece



Here is a nice picture of the resonator portion of the Cobb CBE

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