HFC or test pipes

[Rambo]

I have researched this stuff to death and have yet to get a solid opinion or answer. Can any of you guys from SLO MO give me a solid answer here. I want to possibly run MR test pipes.

I am mating them up to some nismo headers over thanksgiving and want Slo Mo to do a tune afterwards.

[Jomanchu]

What are you asking?

[Rambo]

Should I go with resonated test pipes or HFCs? All i can find are conflicting opinions on here. I am looking for a professional opinion or someone who has them and knows what they are talking about.

[Jomanchu]

It depends on what you are looking for.

Test pipes tend to induce rasp into the the exhaust note...especially when combined with headers and exhaust.

I personally have Berk HFC's and love what they have done for the exhaust note...Again though it depends on what you are looking for. I was looking for a slightly more aggressive than stock sound.

[Rambo]

I am leaning toward Resonated test pipes. Any reccomendations?? Also would I need CEL fix for my 05 G

[g-adabout]

I second Joe's answer...HFC. But That is just a car nut opinion...no a professional.

[Jomanchu]

Berk HFC's dont throw a CEL. A lot of people like the Fast Intentions HFC's as well and I believe they wont throw a code. You can also get a screw in type extension for the O2 bungs that will eliminate a code with stock sensors. Again man.....its just what do you want. I didnt want my g35 to sound like a civic.

Also, what are you using to tune?

[mjrino]

are you staying with the stock catback exhaust? in the future?

[Rambo]

Originally Posted by mjrino

are you staying with the stock catback exhaust? in the future?

Right now, yes. In the future, no. I will go either HKS or Ingen true dual set up.

Originally Posted by Jomanchu

Berk HFC's dont throw a CEL. A lot of people like the Fast Intentions HFC's as well and I believe they wont throw a code. You can also get a screw in type extension for the O2 bungs that will eliminate a code with stock sensors. Again man.....its just what do you want. I didnt want my g35 to sound like a civic.

Also, what are you using to tune?

I am going to go up to slo-mo to get it tuned.