I messaged him recently. The numbers are around: stock rcf 360wHP, exhaust 30wHP, headers 40wHP = 430wHP.

 

We just installed 2 over the past month. 1 was on an Apexi Exhaust the other on the Meistershaft. Was incredibly impressed with the sound on both of these setups. The Meistershaft was definitely a louder install however not by much.

 

I reckon the whp on the RCF should be a lot higher. The IS F usually comes in around 349. Great numbers none the less.

 

Do you experience any drone with this set up? PPE Header+Resonated Apexi? Thanks

 

From when I was in the car, there was barely any.

-Josh

 

thanks Josh. So when the rpm is low, say around 2000-3000 rpm, do you experience any low, raspy noise that make the interior parts vibrate? Like the one you would experience when the midpipe is not resonated?

 

I never had drone with my PPE headers and stock exhaust, and I have no drone with my PPE headers and PPE exhaust. Not sure if that helps you or not, but figured I'd share.

 

Thanks man, that helps! I guess the resonator on the mid pipe helps.

 

Depends on the exact setup you go with.

Message/text/email us and we'll discuss!

-Josh

 

is this the same non-resonated Apexi that need to be paired with the le on diffuser to fit the GS350 been doing read watch on the infamous drone sound they say it makes.

 

Are you referring to a GS350 exhaust? This is the RCF section. Would be glad to help you with either one.

Text me at 213 394 2886.

-Josh

 

What are the torque specs for the header, or exhaust manifold bolts ??? I found one place that listed "15 ft lbs". I have mine all apart and I installed the PPE headers and torqued them to 15 ft lbs. Seems tight, but I want to make sure before I put it all back together. Thanks.

 

Correct, 15 ft-lb for the exhaust manifold nuts, per TIS repair manual

 

Here's the tightening sequence.

 

Thank you so very much. I greatly appreciate you taking your time to post this information. I was looking everywhere online and could not find it. I didn't want to simply "guess" as this is a lot of work, especially doing yourself on the garage floor. The last thing I want to do is have to take alot of it apart to tighten these bolts. Thank you again!!!!
​​​