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Audi S3 (2015+) 3" Downpipe
$399.00 USD
- Full 304 stainless steel construction
- Power Gain:
- Catless version - 15 to 20 whp (without tune)
- Catted version - 12 to 15 whp (without tune)
- No tuning required
- Quality stainless steel braided flex section with interlock liner
- Comes with stock O2 bung for a seamless installation.
- Unique oxygen sensor extender bung to assists in preventing CEL (optional)
- 100% bolts onto OEM exhaust.
- TIG welded to perfection
- Metal High Flow Cat Downpipe +$150 USD, ( 3" - 200 cell metal substrate high flow cat to replace the restrictive OEM catalytic converter. Recommended to prevent the "raw" exhaust smell in cabin)
- O2 Sensor Extender +$30 USD, (not ready for a tune, but want to avoid/prevent Check Engine Light. Our unique stock oxygen sensor extender bung is design to assists in preventing CEL)
- Extra Wideband Option +$50 USD (An additional O2 sensor bung with plug welded in place for installation of an aftermarket wideband O2 sensor)
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