The Nighthawk TC

THE NIGHTHAWK TC

Shorty stainless-steel 2-1 exhaust for Twin Cam and Evolution Touring models

The Nighthawk TC gives Twin Cam and Evolution Touring bikes the short, aggressive SQ1 treatment. Stepped stainless-steel primaries feed into our signature Guppy Collector and finish with a Neighborhater-style baffle for a raw, crisp exhaust note.

It is compact, loud, and built for riders who want real performance!

FITMENT

● Harley-Davidson Twin Cam Touring models

● Harley-Davidson Evolution Touring models

QUICK SPECS

● Construction: Stainless steel

● Configuration: 2-1 full system

● Length: Shorty

● Headers: Stepped primaries

● Collector: SQ1 Guppy Collector

● Muffler: Neighborhater-style baffle

● Finish options: Raw or polished

● Sound level: Very loud

● Sound character: Raw, crisp, and aggressive

● Power focus: Strong exhaust velocity and broad usable performance

WHAT’S INCLUDED

● Exhaust system

● Transmission mount

● Mounting hardware

● Exhaust gaskets

● Muffler springs

● Floorboard spacers

NOT INCLUDED

● Exhaust flanges

● Flange nuts

Reuse the original Harley-Davidson exhaust flanges and flange nuts, or purchase replacements from the SQ1 Parts and Hardware collection.

O2 SENSOR NOTE

Verify O2 sensor placement before installation. On some 2010–2016 models, the front sensor may require a NAMZ O2 extension harness. Extensions are available in the SQ1 Parts and Hardware collection.

TUNING

A proper EFI calibration is recommended after installation. Carbureted applications may require jetting or fuel-system adjustments.