Flowmaster American Thunder systems are built with maximum performance and aggressive looks in mind. These systems follow the factory routing and utilize OEM hanger locations when possible. Features mandrel bent tubing for maximum performance and include Super 40 Series mufflers for just the right performance and sound. American Thunder Series benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include aluminized 16-gauge mandrel bent pipes from the crossmember back, H-pipe, Super 40 Series Mufflers and hardware. Ships in two boxes. Kit ...
Weld-on header collectors. Available in 3" or 3-1/2" collector size. 2" tube size.
1-3/8" stepped primaries merge into a 1-3/4" tri-y configurationExcellent sound characteristics and flowFits Yamaha Honda and Suzuki
The rapid flow exhaust systems for Doge Cummins are built with absolute minimal degree angles on bends. This creates a free flowing low back pressure system that allows the turbo to move air more freely reducing exhaust temperatures by as much as 200° which results in more horsepower and torque. Dyno results have shown significant gain in horsepower by switching to a Rapid Flow System.NO WARRANTY NO RETURNS ON GARAGE SALE ITEMS
The rapid flow exhaust systems for Ford Powerestroke are built with absolute minimal degree angles on bends. This creates a free flowing low back pressure system that allows the turbo to move air more freely reducing exhaust temperatures by as much as 200° which results in more horsepower and torque. Dyno results have shown significant gain in horsepower by switching to a Rapid Flow System.NO WARRANTY NO RETURNS ON GARAGE SALE ITEMS
The rapid flow exhaust systems for GM Duramax are built with absolute minimal degree angles on bends. This creates a free flowing low back pressure system that allows the turbo to move air more freely reducing exhaust temperatures by as much as 200° which results in more horsepower and torque. Dyno results have shown significant gain in horsepower by switching to a Rapid Flow System.This item is garage sale priced because it has been discontinued from our current product line.NO WARRANTY NO RETURNS ON GARAGE SALE ITEMS
These stainless steel mandrel bent dual exhaust kits were designed specifically forthe 1968-74 Nova.You will not find a better engineered kit on the market. They can be adapted to any header combination but were designed to be used with Dynatech® MuscleMaxx headers and reducer cones. Includes lead pipes intermediate pipes mufflers tailpipes and hardware. Instructions (PDF)
The rapid flow exhaust systems for Ford Powerestroke are built with absolute minimal degree angles on bends. This creates a free flowing, low back pressure system that allows the turbo to move air more freely, reducing exhaust temperatures by as much as 200° which results in more horsepower and torque. Dyno results have shown significant gain in horsepower by switching to a Rapid Flow System. NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS
Dynatech® Exhaust, 4 Inch Turndown Works with: Standard Dynatech Chevy headers with tube size 1-5/8" to 1-3/4" and 1-3/4" to 1-7/8" - (part numbers; 31171140910, 31171141010, 1171150910, 31171060110 and 31171060010) "X" or "Y" pipes - (part numbers; 31178021204 and 31178031206) Elbow kit - (part numbers; 31178041001 and 31178041051) Muffler - (part number 31177614402)
Dynatech® exhaust kickouts are mandrel bent and available in three different outside diameters (O.D.). Turndowns available in plain steel finish only. Works with: "X" and "Y" Pipes (part numbers 31178021200 and 31178031201) Muffler (part number 31177606352)
These stainless steel mandrel bent dual exhaust kits were designed specifically forthe 1970-81 Camaro.You will not find a better engineered kit on the market. They can be adapted to any header combination but were designed to be used with Dynatech® MuscleMaxx headers and reducer cones. Includes lead pipes intermediate pipes mufflers tailpipes and hardware.
What could be better than a 2-1/2" American Thunder dual exhaust for your 1955-57 Chevy car? This header-back aluminized 16-gauge kit includes head pipes welded H-pipe two Super 40 mufflers mandrel bent tail pipes stainless steel tips and mounting hardware. 1955-1957 Chevrolet Exhaust SystemAny type V8 2.50" Mandrel Tubing 4 Piece Head-pipe for Headers or Factory Down PipesIncludes Welded H-Pipe & HardwareUtilizes Factory Brake Lines1 pair Super 40 MufflersFlowmaster Embossed Stainless TipsAmerican ThunderDual pipes out the Rear Bumper exit (DOR)Flowmaster Installation Instructions (PDF)
Flowmaster American Thundersystems are built with maximum performance and aggressive looks in mind. These systems follow the factory routing and utilize OEM hanger locations when possible. Featuresmandrel bent tubing for maximum performance and includeSuper 40 Seriesmufflers for just the right performance and sound. American Thunder Series benefits include improved throttle response power and mileage. Designed for an easy fit these systems include aluminized 16-gauge mandrel bent pipes from the crossmember back H-pipe Super 40 Series Mufflers and hardware. Ships in two boxes. 2-1/2".Kit ...
The rapid flow exhaust systems for GM Duramax are built with absolute minimal degree angles on bends. This creates a free flowing, low back pressure system that allows the turbo to move air more freely, reducing exhaust temperatures by as much as 200° which results in more horsepower and torque. Dyno results have shown significant gain in horsepower by switching to a Rapid Flow System. This item is garage sale priced because it has been discontinued from our current product line. NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS
Gain 17 HP and 15 Ft. Lbs. over the factory exhaust system! Dynatech® SuperMaxx stainless steel exhaust systems are engineered to give your Dodge Ram 1500 4WD maximum performance both on and off road. Designed to be a direct replacement fit for restrictive factory exhaust and catalytic converter systems, these systems are a great way to get that extra power you are looking for. Collector Size: 2-1/2" System Tube Size: 2-1/2" Material: All Stainless Steel OBD II Compliant: Yes Hardware Included: Gaskets, Bolts, O2 Extensions Fit: Direct Bolt-Up to any ...
Dynatech® Exhaust, 3 Inch elbow kit w/ tube clamps. 42 degree bend is 15.75" long 30 degree bend is 9.00" long (2) clamps with hardware Works with: Standard Dynatech Chevy headers with tube size 1-5/8" to 1-3/4" - (part number 31171150910) "X" or "Y" pipes - (part numbers; 31178021200, 31178021204, and 31178031203) Mufflers - (part numbers; 31177606352, 31177614402, and 31177606302) Turn Downs - (part numbers; 31178000200, 31178000050, 31178000100)
Dynatech® Exhaust, 3-1/2 Inch elbow kit w/ tube clamps. Works with: Standard, spread port, and 18 degree Dynatech Chevy headers with tube size 1-3/4" to 1-7/8" - (part number 31171141010) "X" and "Y" pipes - (part numbers; 31178021206, 31178021208, and 31178031201) Mufflers - (part numbers; 31177606352 and 31177614402) Turn Downs - (part numbers; 31178000200 and 31178000050)
Manley big block Chevy chromoly 3/8" diameter pushrods are stock length. Will work with guide plates. Sold in sets of 8.
Gain 17 HP and 15 Ft. Lbs. over the factory exhaust system! Dynatech® SuperMaxx stainless steel exhaust systems are engineered to give your Dodge Ram 1500 4WD maximum performance both on and off road. Designed to be a direct replacement fit for restrictive factory exhaust and catalytic converter systems these systems are a great way to get that extra power you are looking for. Collector Size: 2-1/2"System Tube Size: 2-1/2"Material: All Stainless SteelOBD II Compliant: YesHardware Included: Gaskets Bolts O2 ExtensionsFit: Direct Bolt-Up to any factory or aftermarket cat back ...
These stainless steel mandrel bent dual exhaust kits were designed specifically for the 1970-81 Camaro. You will not find a better engineered kit on the market. They can be adapted to any header combination but were designed to be used with Dynatech® MuscleMaxx headers and reducer cones. Includes lead pipes, intermediate pipes, mufflers, tailpipes and hardware.
These stainless steel mandrel bent dual exhaust kits were designed specifically for the 1968-74 Nova. You will not find a better engineered kit on the market. They can be adapted to any header combination but were designed to be used with Dynatech® MuscleMaxx headers and reducer cones (at right). Includes lead pipes, intermediate pipes, mufflers, tailpipes and hardware.
These stainless steel mandrel bent dual exhaust kits were designed specifically for the 1968-74 Nova. You will not find a better engineered kit on the market. They can be adapted to any header combination but were designed to be used with Dynatech® MuscleMaxx headers and reducer cones. Includes lead pipes, intermediate pipes, mufflers, tailpipes and hardware. Instructions (PDF)