I'm stuck of choosing between Stillen Exhaust, APS Exhaust, or the HKS Exhaust, and also which race/test pipe should i get with whatever exhaust system.

 

You should check out the Intimidator @

http://www.fastintentions.com/350z.htm

If you have any questions you can contact me @

fi@fastintentions.com
We have retail pricing on my website but if you contact me I will work you a good deal...Thasnks, Tony

 

Are you staying NA or going F/I? N/A I would say HKS or Stillen. The HKS has been dyno proven to put out ~11 hps. Stillen claims 14 for theirs but I have not seen an actual sheet on it. I selected the HKS because I think it's the best looking one out of the bunch. The sound of the HKS is also very nice.

 

Bump for Fast Intentions. Definitely check it out! I had the Injen Track Edition TI Tip, which is very similar to the HKS system, on my car prior to the FI system. After switching to the FI system from the Injen, I really noticed a difference in build quality and performance. The customer service from Fast Intentions cant be beat, its simply the best! Also, check out the test pipes from FI. They offer great gains(especially when paired with the Intimidator exhaust) at great low prices.

 

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I'm preparing for the APS TT

 

If you are preping for TT then the HKS might work but you prob want to revise your list to something that's not 2.5"

 

Hks!

 

All are great exhaust. You have to decied what fits you style needs. I went with the Stillen cause I didn't want the Ti tips the HKS has. The HKS is a damn good exhaust too! I really did even consider the APS.

 

Never heard of any of those. Are they new?