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Monster-Ram 6.7L Power Difference
Requires Banks Boost Tube Upgrade or custom boost tube
Cummins 6.7L ISB early 1st Gen
- Driver & Passenger tubes - 25990 Boost Tube kit
- Driver side only - 25991 Boost Tube kit
Cummins 6.7L ISB late 1st Gen
- Driver & Passenger tubes - 25998 Boost Tube kit
- Driver side only - 25997 Boost Tube kit
Cummins 6.7L ISB 2nd Gen
- Driver & Passenger tubes - 25992 Boost Tube kit
- Driver Side only - 25994 Boost Tube kit
Gale Banks Commented:
I can tell you this, when we hot rodded the first 5.9L common rail back in 2001, the Cummins guys sent us a lab engine that they had put an HX-40 Holset on and some bigger injectors. The engine made 402 hp. We dyno'ed it again on our end and got 405 hp so our dynos matched. We sawed off the stock manifold, made the first ever side draft intake casting, cleaned up the ports and picked up 135 hp at the same air/fuel ratio with the same turbo, 540 hp was the result. So there's a dyno comparison doing the same thing as the improved horn, only better. We then installed a Banks cam and a larger VG turbo and brought it to 735 hp, put it in a Dakota, towed our trailer to Bonneville with it dropped the trailer and ran 222 mph!