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i have the same issue. I have no resolution yet. I am thinking of getting under there and banging on the hanger bracket and seeing if it will line up a little better.
If that works, ill let you know. If you get it to work first, let me know what you did. Thanks.
I can't speak specifically about the Flowmasters, but I've had aftermarket exhausts three of my last four Corvettes. Usually its just a matter of loosening the clamp that fits the new rear portion to the "H" pipe and working it around until they are even. Twisting the rear part back and forth usually makes a difference.
The passenger side is the tight side on this install,as the axle pipe is close to both the frame and differential.You will need to loosen at the muffler and the "H" pipe.The rear hanger is designed with several bends and is easy to tweek slightly,and you may also have to adjust the driver side to lower it somewhat until they match.Also look to make sure that the tips stay the same distance from the outermost edge of the rear diffuser.The top of my tips ended up about a 1/4" away the diffuser and about 1/4" in from the rearmost edge.This is the most tedious part of this install,but would apply to any exhaust install if you want it perfect.Take your time and enjoy the bonding experience with your new C6!
If you can't get the one to go up, can you bring the other one down a bit? I had to mess with mine for about a half hour to get everything even for the most part. Looking at it from the back everything looks great and even, however, looking at it from the top, one tip sticks out just a little more.....
30YR,loosen the muffler at the axle pipe,and use a thin piece of wood between the rear of the muffler and and the crossmember behind the rear bumper.I used a 3'x6"x1/2" piece of floor trim I had handy from redoing my floors in the house and it provided the right amount of leverage without damaging the car at all.A couple nudges should do it.
Maybe I just had some dumb luck but when I installed my Flowmaster system, every thing went together very well. I did leave all the clamps loose and used a huge pair of slip-joint pliers to twist the over the axle pipes to get them just right. This gentle twisting of those pipes also allowed a small amount of movement at the mufflers. I'd twist a little and then look at the tips from the rear of the car. When I was happy with the alignment of everything, I tightend up all the clamps.
The only other thing I can think of is for you to check where the hangers attach to the car at the rear. Perhaps you can loosen the bolts that hold them and get just a little movement that will allow you to adjust the right muffler. I assume the rubber gromments are in place in the hangers and haven't been dislodged in some way.
What's the story with the Flowmasters? Haven't read anything about that brand on the forum. How much and how do they sound? I know they are great on Mustangs, but were never well thought of on F-bodies.
PS $20 well worth it! Whatever I finally get, I'll let a pro install.
I love my Flowmasters.The mufflers have been specifically tuned for the C6 to remove most drone,and on my MN6 I really don't notice any.Nice deep idle tone that sounds good without being obnoxiously loud.Very characteristic Flowmaster sound,my favorite on all musclecars.I find no need to look any further.