http://autoplicity.com/products/242191-MSD_Ignition_8830_msd_noise_filters.aspx?utm_source=GoogleShopping&utm_medium=CSE&utm_content=242191NOFITMENT&utm_campaign=GSNOFITMENT&gclid=COzLldHh6q8CFZFR7AodzBTL3g
Buy this . On the the passanger front wheel well there is a ground and a spot where you jump start the car. Install this there it has worked for me to filter out alternator noise.