Description
Corsa Extreme Cat-Back Exhaust (Polished – Auto Transmission)
Dodge Challenger 11-14 6.4L 392
14427
Elevate your vehicle with the CORSA Performance Xtreme Cat-Back Exhaust System, built specifically for automatic transmission models. This system delivers the raw, aggressive tone muscle car enthusiasts crave—without the harsh drone that plagues lesser systems.Constructed from mandrel-bent 2.75” 304 stainless steel, this cat-back is engineered for maximum durability, optimized airflow, and long-lasting performance. With CORSA’s patented Reflective Sound Cancellation® (RSC®) technology, you get zero drone during cruising, making it as enjoyable on long drives as it is at full throttle.The Xtreme sound level turns heads with a throaty roar under acceleration and a commanding presence at idle. Finished with polished GTX rectangular single-wall tips, the exhaust enhances your vehicle rear profile with a clean, race-inspired look.
Sound & Performance:
- Xtreme Sound Level – loudest and most aggressive CORSA tone
- Deep, throaty rumble at idle
- Pro-stock style roar under wide-open throttle
- RSC® Technology eliminates interior drone at all speeds
- No tuning required
Construction & Materials:
- Premium 2.75” 304 stainless steel
- Mandrel-bent tubing for unrestricted flow
- Rock-solid build with precision TIG welds and high-quality finish
Exhaust Tips:
- Tip Style: Single
- Tip Shape: Rectangle
- Tip Type: GTX (Single Wall)
- Finish: Polished stainless steel
- Bold appearance that fills bumper cutouts perfectly
Design & Fitment:
- Type: Cat-Back
- Exit Style: Dual Rear
- Direct bolt-on installation – no cutting or modifications needed
- Designed and manufactured in the USA






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