The N1 is one of Invidia's most popular cat-back options, known for its quality stainless steel construction that combines smooth bends with an increased piping diameter. This design allows for an unobstructed flow path for exhaust gases, leading to increased horsepower and torque, along with improved throttle response.

Enhanced Sound and Driving Experience

Additionally, users will be rewarded with the race-inspired sound this exhaust system creates, significantly enhancing the overall driving experience. The Invidia N1 Cat-Back Exhaust System is an excellent upgrade for those looking to boost both the performance and sound of their 2002-2007 Subaru WRX / STI.

DETAILS:

• 304 stainless steel construction
• 3-inch piping diameter
• Single-exit design
• 4-inch polished stainless exhaust tip
• Includes silencer
• Improves both horsepower and torque
• Reduces turbo lag
• Saves weight
• Exhaust hangers welded onto the OEM locations to make for a direct fitment
• Includes new gaskets and hardware for the installation