Borla Cat-Back Exhaust System 1978-82 Porsche 928 4.5

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See fitment guide below for all applications and any special notes. 

Looking for an affordable, proper sounding exhaust system for your classic Porsche 928?

The perfect tone and look to upgrade your V8 Porsche.

System features polished T-304 stainless steel tips.

 BORLA® Cat-Back™ & Axle-Back exhaust systems feature patented straight-through and multi-core technology to unleash hidden horsepower.

Increased exhaust velocity adds power, driving excitement, fuel economy, and an aggressive exhaust note without drone.

Each system is built from premium T-304-austenitic stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability.

Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer-controlled CNC manufacturing ensures an accurate fit.

Million Mile Warranty

Fitment Guide:

• 1978-1982 Porsche 928 Base V8.4474cc

  1978: S-Type Cat-Back Exhaust System; 2.5 in.; Incl. Connecting Pipes/Mufflers/Hardware/2.5 in. Round x 8 in. Long Dual Round Rolled Intercooled Tip; Rear Exit; 2.5 in. Tubing; Incl. Connecting Pipes/Mufflers/Hardware/2.5 in. Round x 8 in. Long Dual Round Rolled Intercooled Tip; Rear Exit;
  1979: S-Type Cat-Back Exhaust System; 2.5 in.; Incl. Connecting Pipes/Mufflers/Hardware/2.5 in. Round x 8 in. Long Dual Round Rolled Intercooled Tip; Rear Exit; 2.5 in. Tubing; Incl. Connecting Pipes/Mufflers/Hardware/2.5 in. Round x 8 in. Long Dual Round Rolled Intercooled Tip; Rear Exit;
  1980: S-Type Cat-Back Exhaust System; 2.5 in.; Incl. Connecting Pipes/Mufflers/Hardware/2.5 in. Round x 8 in. Long Dual Round Rolled Intercooled Tip; Rear Exit; 2.5 in. Tubing; Incl. Connecting Pipes/Mufflers/Hardware/2.5 in. Round x 8 in. Long Dual Round Rolled Intercooled Tip; Rear Exit;
  1981: S-Type Cat-Back Exhaust System; 2.5 in.; Incl. Connecting Pipes/Mufflers/Hardware/2.5 in. Round x 8 in. Long Dual Round Rolled Intercooled Tip; Rear Exit; 2.5 in. Tubing; Incl. Connecting Pipes/Mufflers/Hardware/2.5 in. Round x 8 in. Long Dual Round Rolled Intercooled Tip; Rear Exit;
  1982: S-Type Cat-Back Exhaust System; 2.5 in.; Incl. Connecting Pipes/Mufflers/Hardware/2.5 in. Round x 8 in. Long Dual Round Rolled Intercooled Tip; Rear Exit; 2.5 in. Tubing; Incl. Connecting Pipes/Mufflers/Hardware/2.5 in. Round x 8 in. Long Dual Round Rolled Intercooled Tip; Rear Exit;