Audi Performance Exhaust

MAGNAFLOW CAT-BACK EXHAUST SYSTEM, STAINLESS STEEL, POLISHED -- Complies with most state and federal laws; Designed and tested to meet legal sound level limits; Increases horsepower on an average range of 10 percent; 2.5 in. main piping diameter, 2.25 in. tail pipe diameter; Dual rear exit; Two mufflers with single inlet and outlet configuration each; Includes installation hardware, gaskets, 4 in. x 9 in. x 11 in. muffler, 4 in. x 8 in. 14 in. resonator, and dual 4 in. polished T-304 stainless steel tips with round shape, straight cut, and rolled edge design; Made of 100 percent tough and durable stainless steel; Dyno tested and proven to provide performance gains in horsepower and torque; Delivers great sound with a smooth and deep tone; Built to last, all welded, and mandrel-bent; May require the use of original stock rubber insulators and fasteners; Easy weld-on installation; With Magnaflow's limited lifetime warranty.

BORLA CAT-BACK EXHAUST SYSTEM, STAINLESS STEEL, NATURAL FINISH -- 50-state legal, C.A.R.B. certified; Increases power up to 7 to 15 percent; 2.25 in. main piping diameter, 2.25 in. tail pipe diameter; Split rear exit; Single inlet and dual outlet configuration; Includes installation hardware, gaskets, aluminized steel muffler, and dual 4.25 in. outlet, 3.5 in. height, 6.75 in. length polished stainless steel tips with oval shape, angle-cut, and rolled edge design; Made from aircraft-quality, 100 percent T-304 austenitic, and sound-absorbing mandrel-bent stainless steel that maintains low decibels and protects the vehicle against burnout; Dyno-proven to yield an increase in flow and power while providing better fuel economy; Insulated to reduce shell temperature for a cooler driver's compartment; Features a patented uninterrupted-flow design and multi-core technology; With longer spike for scavenging to generate maximum power; Easy bolt-on installation; With Borla's million-mile warranty.

BORLA CAT-BACK EXHAUST SYSTEM, STAINLESS STEEL, NATURAL FINISH -- Increases power by 7 to 15 percent; 2.5 in. main piping diameter, 2.5 in. tailpipe diameter; Split rear exit; Single inlet and dual outlet muffler configuration; Includes installation hardware, gaskets, aluminized steel muffler, and 4.25 in. x 3.5 in. x 6.75 in. dual polished stainless steel tips with oval shape, angle-cut, and rolled-edge design; Made from aircraft-quality, 100 percent T-304 austenitic, and sound-absorbing mandrel-bent stainless steel that maintains low decibels and protects the vehicle against burnout; Dyno-proven to yield an increase in flow and power while providing better fuel economy; Insulated to reduce shell temperature for a cooler driver's compartment; Features a patented uninterrupted-flow design and multi-core technology; With longer spike for scavenging to generate maximum power; 50-state legal, C.A.R.B. certified; Easy bolt-on installation; With Borla's million-mile warranty.

BORLA CAT-BACK EXHAUST SYSTEM, T-304 STAINLESS STEEL, NATURAL FINISH -- 50-state legal, C.A.R.B. certified; Increases power by 7 to 15 percent; 2.25 in. main piping diameter, 2.25 in. tailpipe diameter; Dual rear exit; One front muffler with single inlet and outlet configuration; One rear muffler with single inlet and dual outlet configuration; Includes aluminized steel mufflers and dual 2.9 in. x 3.25 in. polished stainless steel tips with round shape, angle-cut, and rolled-edge design; Made from aircraft-quality, 100 percent T-304 austenitic, and sound-absorbing mandrel-bent stainless steel that maintains low decibels and protects the vehicle against burnout; Dyno-proven to yield an increase in flow and power while providing better fuel economy; Insulated to reduce shell temperature for a cooler driver's compartment; Features a patented uninterrupted-flow design and multi-core technology; With longer spike for scavenging to generate maximum power; Easy bolt-on installation; With Borla's million-mile warranty.

BORLA CAT-BACK EXHAUST SYSTEM -- 3 in. Inlet And Outlet Diameter, 3.14 in. X 4.63 in. Dual Round Rolled Angled-Cut Tip, Rear Exit, Made From Aircraft-Quality, 100% T-304 Austenitic And Sound-Absorbing Mandrel-Bent Stainless Steel That Maintains Low Decibels And Protects Against Burnout, Dyno-Proven To Yield An Increase Of 7-15% In Horsepower While Providing Better Fuel Economy, Insulated To Reduce Shell Temperature For A Cooler Driver's Compartment, Increases Flow And Power, Features A Patented Uninterrupted-Flow Design And Multi-Core Technology, With Longer Spike For Scavenging To Generate Maximum Power, 50-State Emission Legal, With Borla's Million-Mile Warranty