Headers for the GS300 and GS350 from PPE Engineering
 

We are currently building race headers for the IS350 and will have versions for the '06 GS300 and '07+ GS350. Our IS350 headers made ~16-17WHP with a dual exhaust already installed.

We have already test fitted on an '06 GS300 and are hoping to find a local (phoenix area) GS350 for testing in the next month or so. We will be doing dyno testing on the GS300 and GS350 as soon as we can.

If there is enough interest we may do an exhaust and intake as well.

Anyone interested?

how much does it take?

Wow, im interested! How much for a set?

no love for the GS430:cry::cry::cry:

im in az but i have a 300. let me know if you are interested.

Edit: nevermind, i just read that you already fitted them to a 300.

I'd be interested in the whole thing. Intake, header, and FULL exhaust. My car is in Va. and could be shipped to you if need be. It's a 09 GS350

=0.. None for the 460???

ooo nice. keep us posted!

interested! what's the price point? GB available?

absolutely interested! will this fit the GS450h as well? and can you explain the benefits of equal length headers?

16-17 whp??? I doubt that. Maybe 16-17 hp withe the headers,exhaust, and an intake. Post some dyno numbers to back what you guys are stating . Not trying to be an ass but its so common for manufacturers to exaggerate hp gains.

The headers will be the same price as for the IS350 headers.
Mild steel headers: $650.00
Optional High-flow cats $350.00
Optional JetHot Ceramic Coatings: $200.00 (polished), $230.00(black)

We might do the GS430 and GS460 if these go well. Not sure about the GS450h, possibly.

01a4man: if we can't find a local GS350 to test fit I will definately take you up on that.

I8ABMR: 16-17WHP are the dyno results from our prototype on the dyno at ADS in Chandler, AZ. We did not do the dyno ourselves. The car is AZ_JB's IS350, it had an F-sport intake and custom magnaflow dual exhaust before and after. The only difference was the addition of the headers (no cats). Here is AZ_JB's post with the dyno graph:
https://www.clublexus.com/forums/per...0-headers.html

Here is our website link with pictures, dyno and video of the dyno:
http://www.ppeengineering.com/products/lexus/is350.php

We will be doing more testing when we build the rest of the exhaust.

Im down for that ...keep me posted...let me see some #..

I am interested I have a 2007 GS350 and its too slow I need more power

Thanks for posting the dyno results. I remeber that my G35 sedan make 287 whp but also had an ECU retune. The 3.5 liter from Lexus responds well to air flow mods like the VQ from Nissan