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KLINE Innovations Exhaust – Porsche 996 Turbo


Exhaust Material (Required)

Add Kline Exhaust Manifolds

Add Kline Carbon Fiber Exhaust Tips

Upgrade To 76/70mm For More Sound and Applications Over 650/700hp

Add HJS Cats

Add Cobb Accessport V3 (Required)

Add a Brentuning T-Shirt

Add Brentuning Sweatshirt

Add Brentuning License Plate Frame

Product Description

The Porsche 996 turbo is one of our primary marque’s. After reviewing the factory exhaust, major flaws were pinpointed in all areas of the design, the sound being the most striking flaw. But also torque curves, peak power, and turbo lag were other areas that could be significantly improved. The factory exhaust is also needlessly heavy, and situated at the very rear of the car.

The Factory setup produces the most lackluster sound, mainly due to a series of chambers, 600 cell catalysts, and the most prominent flaw being the lack of balance between opposing banks. Seriously, I would recommend when considering any aftermarket exhaust for a Porsche turbo, never buy an exhaust without some kind of gas balance between left and right banks. replacing the stock cats for a choice of 100cpsi, 200cpsi. Replacing the chambered transverse rear silencer with freeflow harmonically tuned silencers enriches the sound, and the addition of our trademark 1D CLR laminar flow X pipe raises the exhaust pitch beyond the region in which bass noise is able to penetrate the cabin, while under hard throttle and high revs, a rich and raucious vocal ensues. This design was pioneered and innovated by Kline, however several copycat designs have started to appear.

Being a turbo car, the potential for increasing performance via exhaust and software is huge. The largest gains are up to 40hp and 64nm. In conjunction with software we achieve 70hp and 94nm.  100cpsi and 200cpsi produce smaller gains of 21hp and 16hp respectively.

Cross Section

Silencer section, cross section 63mm OD

Catalysts come in a variety, from 108mm OD to 127mm OD

manifold primaries, 41mm OD, chosen specifically for faster turbo spool

Turbo back system
Available in standard 304 grade stainless steel, weight 14kg 200cell cats
Inconel 625 formula one grade material, weight 7.0kg decat variant. 10.1kg 100 cell cats
Titanium G2 silencer section is also available, weight, 11.5kg 100 cell cats

Standard 304 grade stainless, weight 6kg total
Inconel 625, weight, 2.9kg total
Titanium unable to endure extreme heat

Additional information

Weight 25 lbs
Dimensions 45 x 24 x 15 in


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Competition use only parts are clearly labeled as competition use only in the product listing page and may only be used according to the guidelines posted on our Emissions Notice to Customers in California page