Invidia Header Civic Si (2006-2011) Audi - 340 LPH with the

- 340 LPH with the footprint of the DW65C

exchanged or returned for any reason

especially under full throttle

improved acceleration and better track times all around

The Neuspeed one piece billet steel short shifter easily installs on to transmission's selector shaft

Invidia Header Civic Si (2006-2011) Audi - 340 LPH with theThe Invidia header for the Honda Civic Si is made of high quality polished stainless steel to enhance the beauty of your engine bay as well as provide a significant power gain all throughout the powerband. This Invidia piece is a 4 2 1 design to boost low end and mid range torque. A built in flex pipe prevents cracking allowing to last the life of your Civic Si. Invidia has seen power gains of 20 horsepower and 11 ft lbs of torque. FITMENT: Honda