Flowmaster 817481 Cat-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound
  • Mandrel bent 16 gauge 409 stainless tubing
  • Aggressive and powerful exterior exhaust tone
  • Includes hangers and hardware for easy installation
  • Connects after factory catalytic converter
  • Dyno tuned for maximum performance

For the person who is looking for a complete cat-back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit,



Flowmaster 817481 Cat-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound

Flowmaster 15362 Exhaust Tip - 3.00 in. Cut Angle Polished SS Fits 2.50 in. Tubing - weld on
  • Highly polished round tip with rolled edge
  • Flowmaster logo embossed 3.00 inch tip
  • Angle cut design
  • Weld on installation
  • Sold individually

Exhaust tip has a logo embossed polished stainless steel, straight edge angle cut, 3.00 inch tip diameter X 2.50 inch pipe diameter X 13.00 inch length, weld on installation.



Flowmaster 15362 Exhaust Tip - 3.00 in. Cut Angle Polished SS Fits 2.50 in. Tubing - weld on

Flowmaster 430402 40 Series Muffler - 3.00 Center IN / 2.50 Dual OUT - Aggressive Sound
  • Durable fully welded 16 gauge alumInized steel
  • Aggressive and powerful exterior exhaust tone
  • Notable Interior resonance
  • Excellent street, strip and off road application
  • No Internal packIng to blowOut

The OrigInal 40 Series muffler delivers an aggressive exterior and Interior tone. If you're lookIng for that origInal, Flowmaster sound this is the muffler is for you. Constructed of 16 gauge alumInized steel and fully MIG welded for maximum durability.



Flowmaster 430402 40 Series Muffler - 3.00 Center IN / 2.50 Dual OUT - Aggressive Sound

Flowmaster 42543 40 Series Muffler - 2.50 Offset IN / 2.50 Offset OUT - Aggressive Sound
  • Durable fully welded 16 gauge alumInized steel
  • Aggressive and powerful exterior exhaust tone
  • Notable Interior resonance
  • Excellent street, strip and off road application
  • No Internal packIng to blowOut

The OrigInal 40 Series muffler delivers an aggressive exterior and Interior tone. If you're lookIng for that origInal, Flowmaster sound this is the muffler for you. Constructed of 16 gauge alumInized steel and fully MIG welded for maximum durability.



Flowmaster 42543 40 Series Muffler - 2.50 Offset IN / 2.50 Offset OUT - Aggressive Sound

Flowmaster 17432 Cat-back System - Dual Side Exit - American Thunder - Moderate/Aggressive Sound
  • Mandrel bent 16 gauge aluminized tubing
  • Moderate to aggressive exterior exhaust tone
  • Includes hangers and hardware for easy installation
  • Connects after factory catalytic converter
  • Dyno tuned for maximum performance

For the person who wants the look of a traditional dual exhaust system with all the benefits that a Flowmaster cat-back exhaust system provides. D.O.S. (Dual Out Side) systems are the perfect choice. American Thunder systems deliver a moderate to aggressive interior and exterior tone along with improved throttle response, power and mileage. Includes all necessary parts and hardware for easy installation.



Flowmaster 17432 Cat-back System - Dual Side Exit - American Thunder - Moderate/Aggressive Sound

Flowmaster 42541 40 Series Muffler - 2.50 Offset IN / 2.50 Center OUT - Aggressive Sound
  • Durable fully welded 16 gauge alumInized steel
  • Aggressive and powerful exterior exhaust tone
  • Notable Interior resonance
  • Excellent street, strip and off road application
  • No Internal packIng to blowOut

The OrigInal 40 Series muffler delivers an aggressive exterior and Interior tone. If you're lookIng for that origInal, Flowmaster sound this is the muffler for you. Constructed of 16 gauge alumInized steel and fully MIG welded for maximum durability.



Flowmaster 42541 40 Series Muffler - 2.50 Offset IN / 2.50 Center OUT - Aggressive Sound

Magnaflow 23285 Direct Fit Catalytic Converter (Non CARB compliant)
  • Designed for easy bolt-on installation
  • Features a ribbed design, a funneled inlet and outlet
  • Consists of stainless steel body and heat shield
  • Requires no cutting or bending
  • This item is not for sale in California/Non CARB compliant

Magnaflow Direct Fit Catalytic Converter is designed for easy bolt-on installation. It features a ribbed design, a funneled inlet and outlet which renders a customized fit. This converter consists of stainless steel body and heat shield. It requires no cutting or bending and is backed by 25000 miles or 5 year limited warranty whichever comes first.



Magnaflow 23285 Direct Fit Catalytic Converter (Non CARB compliant)

Thrush 17658 Welded Muffler
  • Designed to maximize engine performance
  • Made from aluminized steel
  • Resists corrosion
  • Features a two chamber design for long lasting performance
  • Easy installation

Dynomax Thrush Welded Muffler is designed to maximize performance and increase horsepower. It is manufactured from aluminized steel which is corrosion resistant and highly durable. This fully welded muffler features a two chamber design for long lasting performance.



Thrush 17658 Welded Muffler

Magnaflow 35168 Stainless Steel 2.25
  • Reduces exhaust gas pressure and enhances the performance of the exhaust system
  • Manufactured from high strength stainless steel
  • Easy to install
  • Corrosion resistant
  • Backed by lifetime warranty

Magnaflow Stainless Steel 2.25 inch Exhaust Tip is designed to reduce exhaust gas pressure and enhances the performance of the exhaust system. It is manufactured from high strength stainless steel and come in mirror-like finish. This exhaust tip feature a inch tip. It is corrosion resistant and is backed by lifetime warranty.



Magnaflow 35168 Stainless Steel 2.25" Exhaust Tip

Flowmaster 942447 Super 44 Muffler - 2.25 Center IN / 2.25 Offset OUT - Aggressive Sound
  • Deep aggressive exhaust note
  • Noticeable Interior resonance
  • Recent two chamber improvement
  • Race proven patented delta flow technology
  • No Internal packIng to blowOut

Flowmaster Super 44 muffler uses the same delta flow technology found In our larger Super 40 mufflers. The Super 44 delivers a powerful rich tone and is the most aggressive, deepest soundIng, highest performIng four Inch case street muffler Flowmaster has ever built. Constructed of 16 gauge alumInized steel and fully MIG welded for maximum durability.



Flowmaster 942447 Super 44 Muffler - 2.25 Center IN / 2.25 Offset OUT - Aggressive Sound

Magnaflow 10768 Stainless Steel 2.5
  • Designed for single line exhaust system
  • Made from stainless steel
  • Provides a better balance between the cylinder and bank
  • Offers increased torque and power
  • Backed by lifetime warranty

Magnaflow Stainless Steel 2.5 inch Exhaust Y-Pipe is designed for single line exhaust system. It is made from stainless steel which renders extreme durability as well as provides a better balance between the cylinder and bank. This pipe offers increased torque and is backed by lifetime warranty.



Magnaflow 10768 Stainless Steel 2.5" Exhaust Y-Pipe

NOXGUARD-Diesel Exhaust Fluid (DEF)-275 Gallon tote
  • API Certified High Purity DEF(Diesel Exhaust Fluid) Solution at 32.5%
  • Diesel Exhaust Fluid is colorless, odorless, non-hazardous, non-flammable and non-combustable
  • DEF is the reactant necessary for the functionality of the SCR system
  • DEF burns at an approximate rate of 5% to diesel consumption

275 Gallon tote of NOXGUARD API Certified Def



NOXGUARD-Diesel Exhaust Fluid (DEF)-275 Gallon tote