Stillen HFC vs. BERK HFC

NIZMOZ

Guys, make note the Stillen ones do NOT have Non-foulers and the HR requires them. You will have to get non-foulers added to them to prevent the engine light from coming on due to PO420 AND PO430 codes. If those don't help which sometimes happens, you can get some SS wool and stick it in the non-foulers to help. Berk took this into their design when they developed theirs. Plus they also have the extra bungs for meters if you wish to add one later.

Just to mention here that I have had my experience with Stillen products in the past and have bought stuff from them since 1995. On the other hand I have recently went with Berk on my HFCs because they have a good history of great customer service! And I have to agree here their customer service is great! Stillen though if you have warranty issues, they try to blame it on other things like your car, and will try to find a way to not warranty the product.

That is all I will say. You guys make the decision.

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SOLD: 2007 NISMO 350Z #0044 Silver Alloy
New DD: 2010 Titan Pro4X CC