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I have a 2015 Q40 awd (G37x sedan) what do you recommend for resonated HFC and cat/back? I am already road tuned using Ecutek. I am looking for almost stock sound exhaust , but with better HP and Torque gains from stock. I am worried about CEL coming on when using HFC.

 

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To the top, please let us know if you have any questions regarding any/all Fast Intentions!

 

Im looking for something better than stock without CEL or raspiness sound

 

Both Resonated and NON-resonated HFCs will suite your needs perfectly!

 

I always think about pulling the trigger for the motor dyne art pipes, but i don't want the cel. Do art pipes cause a lot of drone? Because I've been considering these resonated high flow cats but want to really take away the bottleneck for good flow

 

The difference in flow between test pipes vs HFCs is so minimal that you're overthinking it. You'll lose about 2ft/lbs of tq with test pipes, but you'll gain 2/3whp at the VERY top end.

Is this worth it? To most on the street, no. HFCs also keep all raw fuel smell away.

Hope this helps. We offer both MD and FI, so just let us know what you decide!

 

How much shipped to 11752? You use PayPal? 09 G37S 6MT
FI rhfc

 

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Fast Intentions Resonated HFCs - 370z / G37 Coupe / Sedan & Q50 (14-15) | NextLevel Performance

 

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Will you guys be offering any further discount/group buys on these? $700 shipped is quite a bit compared to the competition, and the coupon code discounts it only be $33 which is the cost of the delivery.
thanks

 

What "competition" are you speaking of? No one else on the market manufactures a *resonated high flow catalytic converter.

We offer other brands such as ARK, Berk, Z1, Motordyne which all product a resonated test pipe, but not a high flow cat.

As for a discount, there will not be any "larger" discounts then already offered as we already take this willingly out of our own margins. Also, volume is EXTREMELY high (largest February/March sales months ever for Fast Intentions), which is keeping lead times at 4-6 weeks on all TP's/HFC's.