Invidia 12+ Honda Civic Si Coupe N1 Titanium Tip Cat-Back Exhaust (HS12HC2GTT) 16120 High Flow Check Valve and

High Flow Check Valve and (2) High Flow Solenoid Upgrades

25" wide band

N1-X Evolution Extreme™ 304 SS Cat-Back Exhaust System with Quad Rear Exit by APEXi®

STILLEN engineers remapped the ECU fuel management settings for the supercharger system to manage the improved airflow

Cartridge 2009 KTM 450 EXC Cartridge

Invidia 12+ Honda Civic Si Coupe N1 Titanium Tip Cat-Back Exhaust (HS12HC2GTT) 16120 High Flow Check Valve andFor a good balance of price and performance, Invidia offers the motorsports enthusiasts a strong line up of Invidia N1 Exhaust is constructed with high quality SUS304 stainless steel, CNC machined flanges, and manufactured with a polished finish. Each system features mandrel bent stainless steel piping for maximum exhaust flow and reduced back pressure. These exhausts are engineered to produce strong mid to top end power gains, as well as an increase