4" BASIC SYS W/ PERF SHKS 09-13 FORD F150 4WD. 1994-ford-mustang-base-esi2837756 3mm +38 60

3mm +38 60

With the cover closed

is perfect for the person looking for an aggressive sound level outside the truck

Outflows Factory Intake by 38%

4" BASIC SYS W/ PERF SHKS 09-13 FORD F150 4WD. 1994-ford-mustang-base-esi2837756 3mm +38 60Fabtech's new 4'' F150 system utilizes their proven heavy duty construction and design features found in their 6'' systems but with less lift and at a much lower price. This 4'' System allows use of 35'' tall tires and features high arched lower control arm crossmembers constructed of 1 4 thick steel for maximum strength. The Fabtech ductile iron steering knuckles retain the stock track width keeping tires under the fender for a clean appearance. Rear