Six-Gun Bundle replaces the power-robbing factory airflow
inefficiencies with free-flowing components that dramatically
increase intake airflow and air density and expel exhaust
with virtually no backpressure.
Chevy/GMC - 6.6L Duramax LLY
Up To: +124 hp / +303 lb-ft
that keeps its cool.
balances the improved airflow with advanced CleanTuneTM Technology
that delivers up to 54% more horsepower and 68% more torque
than stock without adding black smoke. This is tire-smoking,
scenery-blurring power that keeps its cool while rocketing
you from 0-60 mph 24% quicker and 154 feet ahead of stock!
long & run strong.
mismatched components. Run away from tuners that can destroy
your engine. Everything in the Six-Gun Bundle is engineered
to work together to maximize your engine’s power, efficiency
and durability. Six-Gun Bundle honors your vehicle by safely
living within the limits of your engine and powertrain. Your
Duramax will run stronger and live longer!
gains measured at the rear wheels.
Diesel Tuner & Banks iQ™
Ram-Air® Intake System Flowbench developed, dyno proven. Improves airflow
up to 57%; adds up to +39 hp/+69 lb-ft more than a tuner alone!
Enclosed cold-air box; huge 7-1/8" outlet.
Diesel Duals Exhaust 4"
stainless mandrel-bent system more than doubles stock flow;
cuts backpressure up to 98%; lowers EGTs; rich, authoritative
sound; safely clears spare tire; huge polished tips. Note: Split-duals
are for single-rear wheel applications only.
Or choose the single exhaust
Exhaust 4" stainless constant-diameter pipes and
straight-thru muffler improve flow up to 176% and lower EGTs.
Cuts backpressure up to 98%; rich, throaty sound.
Or choose the dual exhaust
with straight-through 4” diameter flow path