30 No-Buck And Low-Buck Pontiac Mods
Po-Boy's Fourth- Gen Hi-Po Air Lid Get aftermarket lid performance with stock appearance for less than $40. Use Great Stuff expandable foam to fill in the air silencers. With a Plastifix kit, apply fiberglass matte over the air silencers, followed by the included resin to permanently block them. Use a grinder to remove the ribs under the lid that are in the flow path. Reinstall; go faster. View Related Article
|
|