Over the weekend I installed the Magnaflow Cat-back system and added a Vibrant 2.5" Ultra Quiet resonator to take care of most of the drone issues.
Would definitely recommend using a lift or jack stands for this project. I didn't, and getting the stock exhaust out was a pain. Not enough room between the rear flange and the differential housing to get proper tools, but I was able to get it out with only a couple skinned knuckles. I dropped the entire system before disassembling the tail-pipe flange. Also needed to drop the spare to get the old tailpipe out and the new tailpipe in.
The Magnaflow system went back in in the same manner as the stock system, but assembly was much easier with the included clamps.
Also, make sure to save the exhaust flange gasket from your stock system (from the flange disassembled farthest towards the front of the vehicle, can see it just to the left of the hanger in the last photo) to re-use with the Magnaflow system.
I used this video as a guide:
YouTube
Stock system ripped out... Went to a local 4R owner who was hit and had some damage to his stock system. Better than it going to the dump. Glad someone else is going to get some use out of it.
Magnaflow Cat-back system in...
PN: 15781
Performance Exhaust 15781
Pro-tip: Magnaflow as a minimum advertised price rule with a pretty large markup, so jump on eBay and offer ~$200 under listed price to any seller with "Make an offer" available, and you might get lucky. I was able to pick up my system for new ~$200 under listed retail.
Read
here, that this system drones between 1800 and 2300 RPM, so had a muffler shop weld in a Vibrant 2.5" Ultra Quiet Resonator. Entire cat-back system is stainless.
PN: 1141
Amazon.com: Vibrant 1141 2.5" Ultra Quiet Resonator: Automotive
As of now, the system sounds great. Deep tone at idle, and not too loud when accelerating. Even new, the cat-back system droned a bit too much for my liking, with the resonator, I'm really impressed.
Of course, the system has to fully burn-in over the next few hundred miles so this may change, but I'm not expecting too drastic of a change.
The goals of the system were to get a bit more aggressive tone, get the exhaust gasses farther out into the flow of air to further reduce the amount of gasses pulled into the cabin with the hatch door window down, and to have a system ready for the install of the DT long tube and y-pipe.
If you're in Atlanta, check out Extreme Performance Mufflers, great work, knowledgeable, and fair prices.
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