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Porsche 911 Turbo Rear Exhaust System, Muffler with Wastegate Pipe 3.6L (Oval Tips) #FPOR-0235

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Product Details

Porsche 911 Turbo Rear Exhaust System, Muffler with Wastegate Pipe 3.6L (Oval Tips) #FPOR-0235
  • 4″ Twin 1/2″ Rolled OVAL Tips.
  • Mandrel bent from the highest-grade T-304 stainless steel.
  • Designed, tested, and manufactured to the finest hand-made integrity found in any exhaust system.
  • Limited Lifetime Warranty
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Lifetime Warranty

Have more questions? Contact us!

The Magnuson-Moss Warranty Act makes it illegal for companies to void your warranty or deny coverage under the warranty simply because you used an aftermarket part. READ MORE…

product image WARNING: This product in the physical form it is sold does not present a hazard. However, operations including, but not limited to welding, brazing, or thermal cutting can expose you to chemicals including Chromium, Nickel, Cobalt, Arsenic, Cadmium and Lead which are known to the State Of California to cause cancer, birth defects and other reproductive harm. For more information go to www.P65Warnings.ca.gov

How a Dyno Works

We’re going to quote DynoJet directly to explain how the machine works, since paraphrasing would only do you an injustice. “Power, in mechanical terms, is the ability to accomplish a specified amount of work in a given amount of time. By definition, one horsepower is equal to applying a 550-pound force through a distance of one foot in one second. In everyday terms, it would take one HP to raise a 550-pound weight up one foot in one second. So to measure horsepower, we need to know force (in pounds) and velocity (in feet per second). DynoJet’s inertia dynamometer measures power just in this way. The dyno calculates velocity by measuring the time it takes to rotate the heavy steel drum one turn. The dyno measures force at the surface of the drum by indirectly measuring the drum’s acceleration. Acceleration is simply the difference in velocity at the surface of the drum from one revolution to the next. The force applied to the drum is calculated from acceleration using Newton’s 2nd law, F=MA, (F)orce equals (M)ass times (A)cceleration. Power is coupled to the drum by friction developed between the driving tire of the vehicle and the knurled steel surface on the drum of the dynamometer.”

Calculating Torque

“When an object rotates around a point, the object’s speed of rotation depends on both an applied force and the moment arm. The moment arm is the distance from the point of rotation to where the force is being applied. Torque is the product of the force and the moment arm. For example, think about trying to spin a drum by wrapping a rope around the drum and then pulling on the rope. If the rope is wrapped around a drum of one-foot radius and pulled with 550 pounds of force, the resulting torque is 550 foot-pounds. The torque on the dyno’s drum can be calculated by multiplying the force applied by the drum’s radius. However, engine torque is not equal to the dyno’s drum torque because the gearing through the drivetrain changes the moment arm. The change in the moment arm is proportional to the ratio of engine speed to drum speed. Therefore, tachometer readings are necessary to calculate and display engine torque.”

 

RPM Stock Horsepower BBE Horsepower Gains
3200 188 195 +7
3600 214 222 +8
4000 241 250 +9
4400 266 273 +7
4800 285 294 +9
5200 295 304 +9
5600 293 302 +9
6000 287 296 +9
RPM Stock Torque BBE Torque Gains
2000 297 304 +7
2800 305 315 +10
3600 312 325 +13
4400 317 326 +9
5200 298 309 +11
6000 251 264 +13

Download PDF here… FPOR0235

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