Magnaflow Exhaust System Turbo-Back TUNER 4" SS tubing 15915

MagnaFlow's Performance Diesel Systems feature giant, fast-flowing, 4" mandrel-bent stainless steel tubing, and a polished 5" diameter stainless steel tip. The MagnaFlow systems incorporate mirror finished MagnaFlow Performance Mufflers with a straight-through design. You can expect significant gains in horsepower, torque, improved fuel economy and a lower EGT (exhaust gas temperature).
• MagnaFlow Performance with a Lifetime Warranty
• OEM-Style Barbed Hangers
• Giant 5" Polished Stainless Steel Tip

Turbo-Back Tuner: Recommended only if you are planning a chip upgrade, intake upgrade or turbo upgrade. Replaces the flattened OEM downpipe and steps up to 4" tubing and 3.5" downpipe, eliminating the OEM flange. Look for significant gains in all performance areas.

(*3.5" downpipe)