JBA Exhaust Headers for Ford Mustang 4.6L V8 for 2005-2010 Stainless Coated - 6675S neutral-safety-switches 5L/L4 1990 - 1991 Oldsmobile

5L/L4 1990 - 1991 Oldsmobile Cutlass Calais 2

This set of 4 individual shims allow adjustments from 1/8" to 1/2"

2-1/4" Outlet

Application Buick-GS 68-69 Buick-Skylark 68-69 Olds-Cutlass 68-69 Pontiac-GTO-1969 Pontiac-Lemans-1969

6 V8 1971 - 1972 Pontiac Ventura 307/5 V8 1978 - 1979 Pontiac Grand LeMans 350/5

JBA Exhaust Headers for Ford Mustang 4.6L V8 for 2005-2010 Stainless Coated - 6675S neutral-safety-switches 5L/L4 1990 - 1991 OldsmobileOverview: 05 10 Mustang Long Tube 4. 6L Raw 409 JBA long tube headers are the number one choice for maximum performance gains and high RPM efficiency. Available in 409 or 304 Series Stainless Steel. These long tube designs are dyno and race proven to deliver the greatest possible increase in horsepower and torque throughout the RPM range. All JBA long tube headers feature large mandrel bent stainless steel primary tubes, oversized exhaust ports, extra