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HKS Carbon-Ti Cat Back Exhaust Subaru WRX/STI 2002-2007


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HKS knows how to develop exhaust systems to better suit turbocharged platforms. The increased piping diameter, smooth piping design, as well as the high flow muffler attribute to more power and improved performance.

The heart of the Carbon-Ti Cat Back Exhaust System lies within the straight design of the piping. The less-restrictive design provides better flow, and upper-RPM gains by eliminating unnecessary bends in the piping which is beneficial for both stock turbos, and aftermarket turbochargers.

Additionally, this exhaust system has been fabricated of 304 stainless steel piping, with a carbon fiber wrapped muffler, ended with a titanium tip.

The HKS Carbon-Ti Cat Back Exhaust System will come supplied with gaskets, and hardware to make installation ready for the user. The exhaust hangers have been welded in the OEM position to make installation simple.

If you’re in the market for an exclusive exhaust system that will improve throttle response, increase turbo spool, and improve sound then look no further than an exhaust system provided by the leading pioneers in the JDM high performance parts game. HKS continues to develop products that satisfy the greatest of car enthusiasts. Give your vehicle that extra roar with the HKS Carbon-Ti Cat Back Exhaust System.


Exhaust Orientation: Angled Exit

Installation Hardware Included: Yes

Piping Coating: No

Piping Flex Joint: Yes

Piping ID: 3.00in

Piping Material: 304 Stainless Steel

Piping Taper: No

Silencer Included: No

Tip Material: Titanium

Tip Qty: 1

Tip Shape: Round

Tip Size: 120mm

This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

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