Flowmaster Flow FX Cat-Back Exhaust SystemThe new Flowmaster Flow FX cat back exhaust system for the 2009 2013 GM Silverado Sierra 1500 trucks with the 5. 3L engine is manufactured using durable 409 stainless steel throughout and features 3. 0 inch to dual 2. 50 inch mandrel bent pipes for better exhaust gas flow, and a Flow FX "straight through" muffler for a great aggressive sound level and maximum performance. The system is finished off with dual 4. 0 inch diameter black ceramic coated

For use where this viscosity is specifically recommended

This kit is recommended for easier adjustments but is not needed to complete the installation

This bar enhances rear stability

Size: -12 AN to -12 ORB

The jaws feature V-cuts to aid in gripping hex flats on the top and sides of the jaw

resulting in a more responsive ride

this combination allows superb holding power and maximum clutch life

Rear control arms are essential suspension upgrades for GM vehicles

s Strut Tower Braces are manufactured from a mix of 1x1

and less accurate shifts in manual-equipped cars

PINLESS HD Clamp for 4" O

A rear Driveshaft Safety Loop is cheap insurance to protect your investment and provide peace-of-mind whether you are at the track or on the street