BMW 335i Exhaust System

MAGNAFLOW CAT-BACK EXHAUST SYSTEM, STAINLESS STEEL, NATURAL FINISH -- 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; Dual rear exit; Two mufflers with single inlet and outlet configuration each; Includes installation hardware, 5 in. x 5 in. x 14 in. polished stainless steel mufflers, and dual 4 in. polished T-304 stainless steel tips with round shape, angle-cut, and non-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; Easy weld-on installation; With Magnaflow's limited lifetime warranty.

Fits the following 2007-2008 BMW 335i submodels:

• 2007-2008: Base; 6 Cyl 3.0L; "GAS, FI, N54B30A, Turbocharged"

BORLA CAT-BACK EXHAUST SYSTEM -- 2.5 Inlet And Outlet Diameter, 3.5 x 6 Single Round Rolled Angle-Cut Lined Tip, Split 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, With Manufacturer's Million-Mile Warranty

Fits the following 2007 BMW 335i submodels:

• 2007-2007: Base; 6 Cyl 3.0L;