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SOUL Center Muffler Bypass Porsche 997 GT3 / GT3 RS (2006-2011)

SKU: POR.997GT3.CMB.GMT
Price
$1,615.00

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Gunmetal
Currently Backordered - You can still place your order and we'll ship your order as soon as the product is back in stock!

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Installation Services

Don’t worry about the hassle — let our expert team at Forza Motorworks handle the installation for you. Our professional installation ensures everything fits and operates exactly as intended, giving you clean, factory-quality results, proper wiring or mounting, and avoiding the risks of DIY mistakes. You’ll save time, avoid frustration, and get peace of mind knowing the job is done right the first time. Contact us to learn about our installation services and enjoy a seamless upgrade from day one.

FAQ

Shipping Information
For items that are in stock, purchases made after 9am EST will be usually be shipped out in the next 1-2 business days. Please inquire to confirm lead times if you have specific time constraints. Orders will be sent via signature required at our discretion unless otherwise requested.

International Shipping
Any and all customs duties, taxes, import fees, and/or tariffs assessed in connection with the purchase shall be the sole responsibility of the customer/end user.

Return Policy
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return. To be eligible for a return, your item must be in the same condition that you received it, unused and in its original packaging. All returns are subject to a restocking fee based on item and package condition. Buyer is responsible for paying for return shipping costs. If you need a return label, we will email you a return label and deduct cost from refund. Original shipping costs are not refundable. Special order items are not eligible for return.

Cancellation Policy
In order to cancel your order you must email within 24 hours of placing your order or before your order has shipped, whichever occurs first. Special order items are not eligible for cancelation.

Exchange Policy
We have a 30-day exchange policy, which means you have 30 days after receiving your item to request an exchange. To be eligible for an exchange, your item must be brand new in box. Buyer is responsible for paying all shipping costs to exchange product.

Product Description

The SOUL Performance Porsche 997 GT3 Center Muffler Bypass is one of the most popular exhaust upgrades available for the Mezger-powered GT3 platform. Designed to replace the restrictive factory center muffler section, this system unlocks the raw, mechanical sound of Porsche’s naturally aspirated flat-six while improving exhaust flow and reducing unnecessary weight.

The factory GT3 exhaust is refined from the showroom, but much of the car’s true motorsport character is muted by the large center muffler. SOUL’s straight-through bypass design removes that restriction, allowing the engine’s signature induction, exhaust resonance, and high-RPM scream to come through with substantially more intensity. The result is a sharper, more engaging driving experience that feels far closer to Porsche’s motorsport roots.

Engineered from high-quality T304 stainless steel and designed around factory mounting points, the Center Muffler Bypass delivers an aggressive sound upgrade without introducing excessive drone or compromising daily drivability. For many 997 GT3 owners, this is considered the ideal first exhaust modification thanks to its simplicity, sound improvement, and OEM-like fitment.

Fitment Notes

  • Fits Porsche 997.1 GT3 and GT3 RS (2007–2008)
  • Fits Porsche 997.2 GT3 and GT3 RS (2010–2011)
  • Compatible with factory rear mufflers
  • Works with OEM exhaust manifolds or aftermarket header systems
  • Direct bolt-on replacement for factory center muffler section
  • No ECU tuning required for installation

Included

  • SOUL Performance center muffler bypass pipe assembly
  • Precision-fabricated crossover section
  • Installation hardware and clamps (where applicable)

Product Specs

  • Material: T304 stainless steel construction
  • Design: Straight-through center muffler delete / bypass
  • Construction: Mandrel-bent tubing with TIG-welded assembly
  • Weight Savings: Reduced weight compared to OEM center muffler
  • Exhaust Configuration: Crossover-style bypass design
  • Installation: Direct bolt-on replacement

Product Features

  • Removes the restrictive factory center muffler for improved exhaust flow
  • Significantly enhances the iconic Mezger flat-six exhaust note
  • Delivers a more aggressive, motorsport-inspired driving experience
  • Reduces exhaust system weight compared to factory components
  • Maintains OEM-quality fitment and straightforward installation
  • Pairs exceptionally well with aftermarket headers and performance exhaust systems

For many 997 GT3 owners, the Center Muffler Bypass hits the sweet spot between sound, performance, and value. It allows the Mezger engine’s legendary character to come alive without requiring a full exhaust replacement, making the car feel substantially more visceral every time it climbs through the rev range.