Part Number: 33005-AF016

Description: Downpipe Metal Catalyzer

Fitment: 08-14 Subaru WRX & STI Hatchback & Sedan

Notes: Not for Sale in California not CARB Legal

Details:

Use of this products lead to change of boost pressure characteristics. Use of this product with HKS muffler is possible, however use with other manufacturers products and use with altered boost settings may require knocking and maximum boost setting inspection. If necessary please repeat setting.