2004 Pontiac GTO LS1 High-Flow Mid Pipes W/Cats JBA 2809SYC

JBA's new GTO Mid-Pipes are the ultimate compliment to any GTO! Got JBA headers? Perfect! These mid-pipes are designed with both JBA and OEM exhaust headers in mind. With 20+ HP gains, this system will help your Goat breathe easier. JBA uses 2.5” Mandrel-bent 409 stainless steel for the ultimate in quality and performance. This is a Direct Replacement for easy installation and requires no welding for OEM and/or JBA Header-equipped cars. The "With Cats" version utilizes High-Flow metal substrate catalytic converters for maximum performance and durability. Complete hardware and instructions included. This product is designed to work WITHOUT affecting sensor codes.

20+HP Increase per manufacturer. Independent tests on 2004 Supercharged GTO yielded a 16% increase in power over OEM mid-pipes! 49-state legal. For off-road use in California! This item ships Oversize or truck freight. Please check your Federal, State and local laws regarding the replacement of your catalytic converter prior to purchasing this product.  Federal law states that a catalytic converter is not to be replaced with an aftermarket unit unless a vehicle has 50,000 miles or is 5 years old, regardless of the state in which the vehicle is registered.