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Discussion Starter #1
Went to get new mufflers put on my C7 yesterday and flow masters series 44 are to long for the Stingray. They worked on my C6 as he did those. So now this Friday I'm taking it back in and were going with flow master series 10. His biggest concern is the balancer being in the way and breaking any fastener clips and how hard it would be to get more clips if needed. Body clips for rear bumper panel underneath. He said not much room to work with getting old mufflers out and new ones in. He has done a lot of Vettes, but never a C7. He said he will get it done. Any concerns on getting old mufflers out and new ones in guys? Like what is needed to take off?
If anyone knows please let me know so I can relay info to him Friday?
 

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I put Flowmaster Super 10's part # 843150 with offset inlet/outlet on my C7 and the shop that did the work did not have to remove any body parts to make it happen. I used the stock tips and even left the exhaust gates in.
 

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Discussion Starter #3 (Edited)
I remember reading your post and when I was in shop yesterday I did a search on your thread to get part number and we could not find that number in his book of flow master mufflers. He still ordered Super 10's with offset inlet/outlet. 417.00 out the door. My last Vette was 350.00. I typed in your part number on the website you provided and nothing came up? Can you verify part number for me? Thanks
 

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Here are a few BAD pics of them, it was kind of hard to get some good ones!
IMAG0343.jpg
IMAG0344.jpg
IMAG0346.jpg
IMAG0347.jpg
 

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Discussion Starter #5
Thanks, but can you verify part number? It's not in his book plus I did my own search on website with that part number you have and it comes up blank. Thanks
 

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Hmmm I went and looked on the flows and was unable to find a number. I called the shop that did it but he could not remember witch ones he used and said we would have to take a look at them in person. Sorry this is not much help, but it does sound great and VERY quit at 75mph!
 

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Discussion Starter #7
Okay
Thanks
My guy ordered them already but not sure what part number he ordered. I'm gunna be talking with him today. If you happen to find out before Friday on what part number you have please give it to me. Any video of your car idling? I'm leaving exhaust gates in as well. My mechanic said it's best to leave them in unless you want a check engine light on. Thanks
 

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Discussion Starter #8
I just spoke with him and he said there was only one part number for the Super 10s so he went with that one. Offset inlet/outlet. He was concerned with the series 44 being to long and not having room so that's why we're going with Super 10s which are way shorter. Keeping my tips as well.
 

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Video with Flows
 

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Not to be too critical, but looking at the quality of those welds makes me glad complete cat backs are coming on market. They look amateurish,


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I guess they could be ground down a little just not much room to work up in there. There are no leaks and every thing is strait and in line where it should be.
 

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Discussion Starter #13
My flowmasters Series 10's are installed now. They sound really great! I had him get rid of the middle gapping as shown in picture.
 

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Make another longer video with revs please. Much appreciated!


'14 Corvette Stingray
First American Car
Black/Red
5% Tints
Powder Coated Wheels
Stingray Logo License Plate Frame
Exhaust Enhancer
 

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Please excuse my ignorance, but I have two questions: Why replace the stock muffs, which I've heard sound quite pleasing (never heard in person though). Do they improve performance?

More importantly, does this type of mod endanger warranty? I knew a guy that Nissan slimed out on his warranty because he modified the exhaust.
 

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No issue on warranty changing just the rear part of the exhaust. You only get into issues when you start cutting out valves and cats and even then it's not something that would rise to a warranty risk. Your friend with the Nissan either did more than just the exhaust or didn't push back hard enough on Nissan.

I believe the sound people are going for is similar to the NPP with the valves open all the time. The stock exhaust is pretty tame. The NPP is a "mild to wild" sort of thing but at $1200 is higher than many want to spend.
 

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Thanks Mark. Was wondering how the exhaust being discussed stacks up to the 'performance exhaust' I ordered. I believe that option was about 1200 bucks.
 

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I'm glad someone started a thread like this, i have the stock exhaust and its very soft. I been looking into all the companies that will be bringing out exhaust and i have used magnaflow before but they are saying the C7 exhaust is over $3k Ive never spent that much on exhaust before even with cat-back system and high flow cats.

I've seen B&B exhaust systems that were half that. Is the difference the valve ? And i think i have seen discussion in other threads about non-NPP cars have problems with putting these exhausts that have the valves ?
 

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Video please!!


'14 Corvette Stingray
First American Car
Black/Red
5% Tints
Powder Coated Wheels
Stingray Logo License Plate Frame
Exhaust Enhancer
 

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I'm glad someone started a thread like this, i have the stock exhaust and its very soft. I been looking into all the companies that will be bringing out exhaust and i have used magnaflow before but they are saying the C7 exhaust is over $3k Ive never spent that much on exhaust before even with cat-back system and high flow cats.

I've seen B&B exhaust systems that were half that. Is the difference the valve ? And i think i have seen discussion in other threads about non-NPP cars have problems with putting these exhausts that have the valves ?
That's the rub, for $1200 you get a factory exhaust fully integrated into the electronics that has a great sound when opened up and quiets down when you need it too. On top of that it actually performs, adding 5 HP and Torque. What's not to like?

I'm just not sure how you can justify any system that costs more and provides less?

Just my opinion, YMMV


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