question, if you had test pipes and exhaust done

big daddy · 02-18-2014, 10:02 AM

Please let me know if you have had this issue and if it's normal.

I have a 2013 Nismo and I had Stillen Generation 3 Long Tube CAI, FI Non-Resonated Test Pipes and FI exhaust installed. They also tuned the car for me. The car runs GREAT, but is making a horrible noise.

I have a noise coming from the car every time I let off the accelerator. It is loud and doesn't sound good.I took it back to the shop and they said it's just backflow from the test pipes and exhaust.

Have you experienced this? if so what can I do?

theDreamer · 02-18-2014, 10:03 AM

Sounds like a hiss when you slow down?
Yes that is normal.

jwick · 02-18-2014, 10:27 AM

Quote:

Originally Posted by theDreamer

Sounds like a hiss when you slow down?
Yes that is normal.

If you want to get rid of it then put the stock cats back on.

megalapagas · 02-19-2014, 07:14 AM

Agreed but ITS THE BEST SOUND EVER! Makes it seem like your Turboe'd!! Hope ya keep your setup on them test pipes sure let our Z's Scream

Presto · 02-19-2014, 07:19 AM

its normal, nothing you can do about it. learn to live with it.
Some have said the motordyne testpies and exhaust combo does not have this hiss, I do not know so better check with them

big daddy · 02-19-2014, 09:51 AM

I really don't like the hiss, but I LOVE the exhaust sound and power.

It has so much more power and torque, there's no way I could get rid of it. Can't believe the difference it has made.

02-18-2014, 10:02 AM	#1 (permalink)
big daddy Enthusiast Member Join Date: Jan 2014 Location: San Antonio, Texas Posts: 290 Drives: 2013 Nismo Rep Power: 13	question, if you had test pipes and exhaust done Please let me know if you have had this issue and if it's normal. I have a 2013 Nismo and I had Stillen Generation 3 Long Tube CAI, FI Non-Resonated Test Pipes and FI exhaust installed. They also tuned the car for me. The car runs GREAT, but is making a horrible noise. I have a noise coming from the car every time I let off the accelerator. It is loud and doesn't sound good.I took it back to the shop and they said it's just backflow from the test pipes and exhaust. Have you experienced this? if so what can I do?

02-18-2014, 10:03 AM	#2 (permalink)
theDreamer A True Z Fanatic Join Date: Feb 2009 Location: Texas Posts: 30,879 Drives: 370z Rep Power: 4210	Sounds like a hiss when you slow down? Yes that is normal. __________________ theDreamer's Z // Fast Intentions // Uprev // GTM // HKS // TEIN theDreamer's Silvia // URAS // GREDDY Houston Zs // Facebook // Twitter // Instagram

02-19-2014, 07:14 AM	#4 (permalink)
megalapagas Enthusiast Member Join Date: May 2013 Location: McAllen,TX Posts: 457 Drives: '10 370Z Tour A/T Rep Power: 11	Agreed but ITS THE BEST SOUND EVER! Makes it seem like your Turboe'd!! Hope ya keep your setup on them test pipes sure let our Z's Scream __________________ GTM 34 Row Oil Cooler \| K&N Drop Ins w/ Z1's Post MAF Tubes \| F.I Non-Res'd 2.5" T.P w/ CF CBE \| Axis Wheels \| Piecing together My Own Custom T4 Top Mount Single Turbo Kit Still in the works \|

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02-19-2014, 07:19 AM	#5 (permalink)
Presto Base Member Join Date: May 2010 Location: Home Posts: 123 Drives: Car Rep Power: 14	its normal, nothing you can do about it. learn to live with it. Some have said the motordyne testpies and exhaust combo does not have this hiss, I do not know so better check with them

02-19-2014, 09:51 AM	#6 (permalink)
big daddy Enthusiast Member Join Date: Jan 2014 Location: San Antonio, Texas Posts: 290 Drives: 2013 Nismo Rep Power: 13	I really don't like the hiss, but I LOVE the exhaust sound and power. It has so much more power and torque, there's no way I could get rid of it. Can't believe the difference it has made.