Belltech C-SECTION KIT 82-03 S10/S15 PU ONLY 2002-audi-s4-avant-esi4223574 Eliminates the primary resonator for

Eliminates the primary resonator for improved exhaust flow and improved sound

and may be too much for many

chained on your keys

Manual TransmissionOptimizes airflow

Belltech C-SECTION KIT 82-03 S10/S15 PU ONLY 2002-audi-s4-avant-esi4223574 Eliminates the primary resonator forBelltech frame rail C Sections use a "bolt in" wrap around design that captures the frame to increase overall suspension travel and frame strength on aggressively lowered vehicles. Grade 8 hardware, template and installation instructions included. (Frame modifications necessary) Notch bracket improves frame strength by encapturing entire frame rail Notch bracket improves frame strength by capturing entire frame rail Increases overall compression