JBA 99-04 GT 1 5/8" Stainless Steel Cat4ward Shorty HeadersAftermarket "X" or "H" pipes may fit better if used with part number 1625.
JBA Cat4ward Shorty. Direct replacement for factory manifold.
3/8" thick laser-cut flanges
409 stainless steel mandrel-bent primary tubing
High quality hardware included
Direct bolt-on installation
C.A.R.B. certified 50 state smog legal
Will not void factory warranty
Limited lifetime warranty
Increased horsepower and torque
Improved fuel economy
Improved throttle response
Improved engine compartment aesthetics