RPM Outlet - We Take The Guesswork Out Of Performance Parts!
  PERFORMANCE OPTIONS
  ACCESSORIE OPTIONS
  AIR AND INTAKE OPTIONS
  COMPUTER OPTIONS
  DYNO TUNED POWER OPTIONS™
  ENGINE POWER OPTIONS
  EXHAUST OPTIONS
  FUEL/INJECTOR/FUEL RAIL OPTIONS
  GAUGES / A-PILLAR / POD / OPTIONS
  IGNITION OPTIONS
  NITROUS OXIDE OPTIONS
  PULLEY (underdrive) OPTIONS
  SUPERCHARGER OPTIONS
  SUSPENSION OPTIONS
  TRANSMISSION/SHIFTER OPTIONS
  TRACTION OPTIONS
  DYNO PROVEN TO PROVIDE THE LARGEST HORSEPOWER GAINS FOR 99-08 (classic) GMC/CHEVROLET TRUCK-SUV
 RPM OUTLET.COMSTRATEGY

In keeping with our goal of providing our customers with the best possible value, we have tested a large group of components specifically designed for GM Trucks And SUV's .

We have invested many hours evaluating and refining each of the listed performance products on our MD Chassis DYNO, to ensure that we could develop as much power as possible, as safely as possible.

The site menu on the left side of this page, lists the clear winners when it comes to “performance vs. dollar” value, and increased fuel economy. Please check back often as we are always developing new ways to create more horsepower and economy.





JBA CAT4WARD C.A.R.B. Legal Headers

 JBA Headers in stock

JBA CAT4WARD C.A.R.B. Legal Headers improve efficiency and increase the airflow of the factory exhaust by up to 30% over factory exhaust manifolds. This translates into increased pulling torque and free-reving horsepower. In fact, tests performed for the C.A.R.B. show that vehicles equiped with JBA Shorty Headers run cleaner than originally equipped vehicles.

When upgrading to a set of JBA Headers you will improve the acceleration, throttle response, and even the fuel economy of your vehicle. You will also make the engine more sensitive to subsequent modifications such as aftermarket intake systems, camshafts, cylinder heads, and especially superchargers.

Typical performance gains for today’s fuel injected V-8 engines will be anywhere form 10-25 horsepower and similar numbers for torque. How much performance you gain will depend on the condition of your vehicle and the upgrades you have already made. On supercharged applications you will see a more dramatic increase, as much as 30+ horsepower is common.

    This JBA CAT4WARD Kit Includes

  • Flanges are cut from 3/8" thick plate to eliminate distortion and potential leaks
  • Heavy wall 14 gauge stainless steel tubing for longevity
  • 1 5/8 in.Primary Tube Diameter
  • Bolts, Studs, Gaskets Included
  • All JBA CAT4WARD Headers are C.A.R.B. Legal
Part # Year Application Price
  JBA-1850S-3JS 03-06
6.0L
    03-06 ALL GM TRUCK/HUMMER 6.0L
  • SILVER CERAMIC Finish 409 Stainless, 1-5/8 Primary Tube
  • Direct Replacement, C.A.R.B. Legal Headers
$ 549.95
  JBA-1850S-3JT 03-06
6.0L
    03-06 ALL GM TRUCK/HUMMER 6.0L
  • TITANIUM CERAMIC Finish 409 Stainless, 1-5/8 Primary Tube
  • Direct Replacement, C.A.R.B. Legal Headers
$ 599.95
  JBA-1850S-2JS 02-06
4.8L & 5.3L
    02-06 ALL GM TRUCK/SUV 4.8L & 5.3L
  • SILVER CERAMIC Finish 409 Stainless, 1-5/8 Primary Tube
  • Direct Replacement, C.A.R.B. Legal Headers
$ 549.95

Click-On Price to Order





BBK POLISHED CERAMIC COATED OPTIMUN-LENGTH SHORTY HEADER KIT
Designed as Direct Bolt-on (direct replacement), all gaskets and hardware included

BBK has everything you need when it comes to Exhaust manifold upgrades. BBK CERAMIC Headers are built from computer mandrel-bent 1 5/8" tubing, 3/8" thick laser-cut flanges, and a custom high-flowing cast merge chamber, this header kit delivers unmatched quality at very affordable prices (matching X-Pipes are also available).


Bolt-On 17+ Horsepower

    BBK POLISHED CERAMIC SHORTY Headers Feature:

  • 1-5/8" Primary Tubes

  • Tuned-Length shorty header desigh

  • 3/8" Thick Laser-Cut Flanges

  • Custom high-flowing cast merge chamber

  • Guaranteed Fit & Finish

  • Adds Up to 17 Horsepower

  • Designed as Direct Bolt-on (direct replacement), all gaskets and hardware included

  • Requires no Other Modifications


  BBK OPTIMUN-LENGTH SHORTY HEADER KIT
Part # Year Type Description Price
  BBK4005 99-06 All GM TRUCK
4.8L / 5.3L
  • 1 5/8 in. Diameter Primary Tubing
  • Chrome Coated Steel
  • (C.A.R.B. certification)
$ 359.95
  BBK40050 99-06 All GM TRUCK
4.8L / 5.3L
  • 1 5/8 in. Diameter Primary Tubing
  • Ceramic Coated Steel
  • (C.A.R.B. certification)
$ 459.95
  BBK4006 99-06 All GM TRUCK
HUMMER
6.0L
  • 1 5/8 in. Diameter Primary Tubing
  • Chrome Coated Steel
  • (C.A.R.B. certification)
$ 359.95
  BBK40060 99-06 All GM TRUCK
HUMMER
6.0L
  • 1 5/8 in. Diameter Primary Tubing
  • Ceramic Coated Steel
  • (C.A.R.B. certification)
$ 459.95

Click-On Price to Order




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