Description
Transform the sound and character of your 991 GT3, GT3 RS, or 911R with the AWE Center Muffler Bypass. Designed as a direct bolt-on replacement for the heavy factory center muffler, this precision-engineered stainless steel section unleashes the true motorsport tone of the 4.0L flat-six. Expect a rawer, more emotional exhaust note with increased volume and sharper throttle response—all without compromising drivability. Handcrafted from premium T304L stainless steel in the USA, this lightweight system is perfect for enthusiasts seeking the perfect balance between race-inspired sound and factory-level quality.
Fitment Notes
-
Fits Porsche 911 991.1 and 991.2 GT3 / GT3 RS / 911R models
-
Direct bolt-on replacement for the factory center muffler
-
Fully compatible with OEM side mufflers and valve control system
-
No tuning or cutting required—completely reversible installation
Included
-
AWE Tuning Center Muffler Bypass Pipe (T304L stainless steel) with 102mm Diamond Black Tips
-
High-quality clamps and installation hardware
-
Detailed installation guide
Product Specs
-
Construction: Handcrafted from 2.5″ (63.5mm) mandrel-bent T304L stainless steel
-
Weight: Approximately 16 lbs lighter than the factory center muffler assembly
-
Power Gains: Up to +10 hp / +8 lb-ft at the crank (dyno tested)
-
Sound: Significantly more aggressive tone with increased volume and sharper throttle feedback
-
Warranty: AWE Lifetime Warranty and “No Check Engine Light” Guarantee
Product Features
-
Pure Motorsport Sound – Unlocks the flat-six wail of the GT3 engine with an aggressive, high-RPM tone
-
Significant Weight Savings – Drops approximately 16 lbs from the rear of the vehicle for improved handling balance
-
Precision Engineering – CNC mandrel-bent construction ensures perfect fitment and optimal flow
-
No CEL Guarantee – Engineered to operate flawlessly with factory emissions systems
-
Lifetime Durability – Crafted from corrosion-resistant T304L stainless steel for long-term reliability
-
Simple Installation – Fully reversible design bolts directly to factory flanges with no cutting or tuning required
Explore more from our collection.





Reviews
There are no reviews yet.