MAC 2.5" cat back is awesome

[Chevyguy]

When I first fired it up with the sysem in place I was almost dissapointed it was not too loud. The mellow rumble has grown on me, the resonance at 2000 rpm is pretty reasonable with this system. I can imagine the flowmaster system must get annoying at times. The car runs so much harder now, but also have the aluminum drivshaft now. No more vibration but I did notice all the bolts were not super tight when I pulled the old one off Yikes!!! I did not have a 12 mm 12 pt socket to torque them down during the trans swap.

The exhaust fit super great like you guys had said, one note I forgot to recheck the clearance after I droped the car back down, and the pass side tailpipe flange hit the axle and slightly moved the brakeline. Thank god it did not rupure, I am ordering a axle line set from Classic tubes since to avoid any problems down the road. BTW classic tubes rocks, their lines are super nice and fit great. I had one problem with them getting a main line from the PV to the axle hose for my mother in laws 85 LTD wagon. Since it was a fox body takes the same line as a stang. The first line was all wrong, but I sent them the old one and they duped it precicely, very sweet.

Next step is to install the MAC shifter, then post some times finally

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Frank W
90 5.0 LX coupe Daily driver. K&N filter. Flexalite fan, 3 core radiator. FMS flywheel and Clutch, FMS blue wires Energy Suspension end links, MAC 2.5" cat back FMS aluminum driveshaft, MSD blaster coil, MAC shifter
88 Notch 2.3L FOR SALE! My two Notchbacks

74 Chevy Laguna Type S-3 305 Finally fixed getting a 454 to put in garage
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