Porsche 996 Carrera & GT3 Muffler Bypass Pipes (1998–2004) | Quad Cup Car Style Tips

T304 Stainless Steel Muffler Bypass Pipes with Quad Round Tips for Porsche 911 (996 Carrera & GT3)

Transform the sound and appearance of your Porsche 911 with these T304 stainless steel muffler bypass pipes, designed for the Porsche 996 Carrera and GT3 (1998–2004). This direct bolt-on system removes the restrictive factory mufflers, delivering a dramatic reduction in weight, a true Porsche Cup Car–inspired look, and an extremely loud, race-focused exhaust note.

Finished with a bold quad round exhaust tip layout in staggered sizing, this setup is ideal for track use and enthusiasts seeking uncompromising sound and motorsport styling.

Fitment Notice:

• Fits: Porsche 911 996 Carrera & GT3 (1998–2004)
• Does NOT fit: Turbo models, Carrera 4S, or Convertible models
• Clearance Note: Some 996 Base Model rear bumpers have smaller exhaust openings that may cause clearance issues due to the wider quad tips. Please verify fitment before ordering.

Key Features:

• Material: Premium T304 Stainless Steel
• Exhaust Tip Style: Quad round tips
• Tip Sizes: 89mm (outer) & 76mm (inner)
• Piping Size: 59mm OD / 57mm ID
• Weight Savings: Approx. 4.1 lbs per side (8.2 lbs total)
• Installation: Direct bolt-on, no cutting or welding required
• Performance Proven: Used in Porsche racing and track events worldwide
• Style: Porsche Cup Car–inspired exhaust appearance with wider tip stance
• Sound: Extremely loud, raw race-car exhaust tone

Important Notes:

• This is a muffler bypass system and will produce a very aggressive, loud exhaust sound
• Not suitable for all drivers or street use in many regions
• Customers are responsible for confirming vehicle compatibility prior to purchase

Shipping Information:
Free shipping applies to the 48 contiguous United States. International shipping is available and calculated at checkout.

Ideal for track use and Porsche enthusiasts seeking maximum sound output, lightweight performance, and authentic motorsport styling.