Stillen exhaust - gain vs loss?

Josh@STILLEN · 06-05-2009, 12:54 PM

Quote:

Originally Posted by FricFrac

I've got my Stillen Cat back, high flow cat and G3 intake on order however I do have a question about the cat back exhaust. I know Stillen puts a lot of research into their products but the cat back exhaust is about 40 lbs heavier than stock. Isn't that the equivalent of loosing around 4 hp from the additional weight? So while the gain on the dyno is around 18 hp the net effect is about 14 hp? I guess the good part of the weight gain is that its below the COG....

As posted in another thread, I apologize FricFrac that you got some incorrect information regarding the STILLEN cat-back exhaust. Here's the weights of both systems.

Stock Exhaust

Muffler Section - 26.8lbs (highly inefficient)
Y-Pipe - 11.6lbs
Resonated Y-Pipe - 15.6lbs
Total: 54.0lbs

STILLEN Exhaust

Muffler Section - 39.6lbs (proven huge hp gains)
Y-Pipe - 11.3lbs
Resonated Y-Pipe - 14.4lbs
Total: 65.3lbs

Difference: +11.3lbs and 18whp

Also note that the weight is at the lowest point of the car, over the rear wheels, which will increase traction.

Phimosis · 06-05-2009, 03:28 PM

hmm. I'll take your word, but I weighed my rear mufer section last night on a new-ish digital scale and got 36.2 lbs. I did it by holding the unit and standing on the scale, took 3 measurements each and each time was within .1 lb. Weird.

FricFrac · 06-05-2009, 08:15 PM

Quote:

Originally Posted by Josh@STILLEN

As posted in another thread, I apologize FricFrac that you got some incorrect information regarding the STILLEN cat-back exhaust. Here's the weights of both systems.

Stock Exhaust

Muffler Section - 26.8lbs (highly inefficient)
Y-Pipe - 11.6lbs
Resonated Y-Pipe - 15.6lbs
Total: 54.0lbs

STILLEN Exhaust

Muffler Section - 39.6lbs (proven huge hp gains)
Y-Pipe - 11.3lbs
Resonated Y-Pipe - 14.4lbs
Total: 65.3lbs

Difference: +11.3lbs and 18whp

Also note that the weight is at the lowest point of the car, over the rear wheels, which will increase traction.

Thanks I also got a call from Dean stating the info he gave me was on the shipping weight so just a little "lost in translation". Another reason why I'm more than happy to be dealing with Stillen - you guys are very much involved in the development and performance of your parts AND you care about what the consumer wants. Thanks for the correction!

Josh@STILLEN · 06-05-2009, 10:26 PM

Quote:

Originally Posted by FricFrac

Thanks I also got a call from Dean stating the info he gave me was on the shipping weight so just a little "lost in translation". Another reason why I'm more than happy to be dealing with Stillen - you guys are very much involved in the development and performance of your parts AND you care about what the consumer wants. Thanks for the correction!

No problem.. it's very possible the boxes weigh up to 90lbs when shipping.. the boxes we use are really thick, and the packaging material inside is designed to keep things in the manner we ship them, but all of that adds weight. But nothing is worse than getting a heavy item like an exhaust and having something hanging out of the box when it gets there!

Good for you guys we have free freight.. LOL

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06-05-2009, 03:28 PM	#2 (permalink)
Phimosis Enthusiast Member Join Date: May 2009 Location: Oildale, CA Posts: 412 Drives: 2013 911 4S Rep Power: 418	hmm. I'll take your word, but I weighed my rear mufer section last night on a new-ish digital scale and got 36.2 lbs. I did it by holding the unit and standing on the scale, took 3 measurements each and each time was within .1 lb. Weird.