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Which performance exhaust systems are recommended for the Corvette Z06?

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[#3108]
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I’m looking to give my Z06 a bit more growl! The stock NPP is decent, but I want something deeper and louder without unbearable highway drone. I've been eyeing Borla and Akrapovič, but I'm torn. Does anyone have experience with these or other high-flow setups? Which system offers the best performance gains while keeping that crisp exhaust note?


5 Answers
10

> be careful about the highway drone before you swap!!

Seconding the recommendation above about keeping those valves! Ok so, I once tried a cheap straight-pipe setup and basically cooked my rear bumper sensors from the heat... it was SO bad. If your looking for a budget-friendly but safe setup, maybe check out the Flowmaster American Thunder Axle-Back Exhaust System? It's usually under $1,200. Just make sure to check the clearances so you dont melt anything! gl


10

Respectfully, I'd consider another option before dropping huge money on Akrapovič. It’s a bit overkill imo.

* Billy Boat Fusion Exhaust: Great NPP integration and much deeper growl.
* Borla S-Type Axle-Back: No drone at all and way cheaper.

Honestly, you get the same performance gains and crisp note without the "exotic" tax. These are just more practical for a daily driver Z06. peace!


5

yo!! oh man, i totally get it... the stock NPP is cool but it just doesnt have that raw roar you want from a Z06, right? i was literally obsessing over this a few months ago. i looked at the Akrapovič stuff and seriously... who has $5k+ just for an exhaust?? it's insane! i mean, it looks cool but my wallet said no way lol.

heres what i found after doing way too much research and trying to save some cash:

- honestly, the best bang for your buck is probably the Borla S-Type Axle-Back Exhaust System. I found it online for around $2,200. It sounds amazing! its deep and aggressive when you step on it but literally has zero drone on the highway. I love it so much!!
- if youre on a tighter budget, you should highkey check out the Corsa Performance Double Helixx X-Pipe. it costs way less (around $550-$600) and basically wakes up the stock system by removing some of the restriction. it sounds much crispier... maybe thats all you actually need?
- i also looked at the MagnaFlow Competition Series Axle-Back Exhaust which is usually a bit cheaper than Borla, maybe $1,900? but i heard it might drone a tiny bit more? idk for sure, but worth a look if youre trying to save every penny.

imo, the Borla ATAK Axle-Back Exhaust System is fantastic too if you want it LOUD, but it's a bit more expensive than the S-Type. definitely skip the Akrapovič unless you just have money to burn lol. anyway hope that helps... gl with the choice!! peace 👍


2

Stumbled upon this discussion today and honestly, the exhaust debate for the Z06 never really ends! Everyone has their own definition of the perfect tone. Before you pull the trigger on anything, have you considered how much weight you are actually looking to shed with the new setup? Some of these aftermarket systems are surprisingly heavy compared to the factory titanium units. Also, are you planning on doing any headers or high-flow cats down the road, or are you sticking strictly to an axle-back setup? Knowing your long-term build path really helps narrow down which brands will hold up better under increased heat and flow. Definitely check out the Corvette Forum tech archives if you want to see some actual decibel testing logs people have uploaded over the years.


1

For your situation, be careful about the highway drone before you swap!! honestly, it can get pretty unbearable cuz the cabin is already noisy.

1. i would suggest looking at Magnaflow... it gives a deeper rumble than most imo.
2. make sure you keep the AFM valves or it'll sound like a tractor in V4 mode.

it's easy to mess up the valve actuators during install, so just watch out for that... gl!


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