Which Exhaust is Louder between these two??

F.I. Inc.

Here is where in lyes the problem: The HKS is smaller diameter tubing than our header collector as well as our CBE. This is why it is quieter however it will hinder the performance of your car with our headers! From a performance standpoint I strongly recommend against that combination. I can also tell you that combination will give you RASP. I have installed test pipes, resonated test pipes & HFC's with the HKS and every time I have heard RASP at 2500-4200 RPMS. The HKS exhaust plain and simple cannot support the exhaust flow of aftermarket forward accessories! I am not being biased, it is a fact. I have heard it with my own ears.

Now I can maximize your performance with our CBE and virtually eliminate any RASP. The 18" resonators will be the defining factor in this. Now if you want it slightly quieter than go with the SS mufflers opposed to the CF. Either way since you already have headers on the car, you will get some drone however how much is subjective.

If you have any questions please do not hesitate to call me directly...

Thank you, Tony

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