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Description
Bully Dog Rapid Flow Diesel Exhaust Systems were designed with performance in mind. Bully dog truck exhausts feature the lowest possible bend angles to provide the most free flowing path for exhaust gasses to escape leading to lower EGTs. Bully Dog diesel exhausts are available for late model diesel trucks cat back, turbo back, and DPF back configurations. Users can choose from 4", 5", or 6" systems in either aluminized steel or Bully Dog's exclusive ceramic coated stainless steel. Ceramic coated exhaust systems include all the same great benefits of stainless, but will never fade or discolor under extreme temps found on newer DPF equipped trucks. All Bully Dog Exhaust Systems are also equipped with ceramic coated tips that will look great and outlast your truck. All Rapid Flow Exhaust Systems are dyno tested to ensure unmatched performance with gains of up to 20 horsepower and EGT reductions of up to 250 degrees. All Bully Dog Exhaust Systems offer easy, bolt together installation using factory hanger brackets. Bully Dog recommends using a 4" exhaust system for horsepower applications less than 450 hp, while the 5" systems are recommended between 450 to 550 horsepower applications, and our new 6" systems are recommended for trucks producing more than 550 hp.
Features
- Added Horsepower and Full Body Sound: The Bully Dog Rapid Flow Exhaust Systems are designed to offer increased horsepower and performance. They also offer a full body sound that will give you a nice deep tone when you get on the throttle.
- Lower Exhaust Gas Temperatures: Bully Dog exhaust systems offer the lowest degree mandrel bends possible for free flowing, unrestricted performance. This creates less restrictions and lowers EGTs for safer operation.
- Ceramic Coated Stainless or Aluminized Steel: Bully Dog offers exhaust systems in aluminized steel or their all new Ceramic Coated Stainless Steel. Aluminzed steel offers long lasting life and protection at an economical price, while Ceramic Coated Stainless offers a polished, show look that won't dull or fade under extreme temperatures.
- Increased Fuel Economy: Bully Dog exhausts are available in cat back, turbo back, and dpf back systems to fit your budget and needs. They offer increased flow and performance for improved fuel economy
- Available in 4", 5" and 6" Systems: Choose from 4"-6" systems in single or dual tip options. All Bully Dog Exhaust systems include a ceramic coated tip.
Bully Dog Rapid Flow Turbo Back Diesel Exhausts Frequently Asked Questions
- Aluminized Steel: Aluminized steel has been hot-dip coated with a special, corrosion-resistant aluminum-silicon alloy. Aluminized steel gives you the look and feel of aluminum with the superior strength and lower cost of steel.
- 409 Stainless Steel: 409 stainless steel is a cost-effective, high-grade, low-carbon steel alloy with great corrosion resistance and strength. And, it’s more flexible than 304 stainless tubing.
- 304 Stainless Steel: 304 stainless steel has the highest chromium and nickel content making it the ultimate corrosion-resistant material available. Best of all, 304 stainless carries a Lifetime Warranty.





















