Earls PCV Breathers - Set of 2 Pieces - 3434116ERL cat-back-exhaust Muffler Series: 70 Series Big

Muffler Series: 70 Series Big Block

4L V8 1978 Ford E-100 Econoline 460/7

8 V8 1991 Ford F-350 Custom 460/7

Overall Length: 12"

Increases of up to 7 HP and 7 FT/LB over the stock exhaust

Earls PCV Breathers - Set of 2 Pieces - 3434116ERL cat-back-exhaust Muffler Series: 70 Series BigOverview: PCV BreatherMachined from 6061 T6 Billet aluminum, the PCV Breather matches Earl's breather in appearance. The difference is the PCV Valve hidden inside. These breathers are available with either 3 8" slip on hose connection or #6 AN hose end. Now you can eliminate that unsightly PCV valve. Features: 6061 T6 Billet Aluminum PCV Valve Hidden Inside Eliminate Unsightly Valve Including Rubber Grommet Use Push In Twist In Breather Breather