Does SOUL Performance make exhaust system with slash cut tips for the 981?

Yes. The SOUL Performance 981 Exhaust System with Slash Cut Tips is built by SOUL Performance for the 981 Porsche Boxster Spyder / Cayman GT4.

Which models does this fit?

The Exhaust System with Slash Cut Tips is engineered for the 981 Porsche Boxster Spyder / Cayman GT4. Fitment is specific to the chassis and model years listed in the Applications section above.

How does it change the sound?

SOUL engineers the Exhaust System with Slash Cut Tips to sharpen tone and character while controlling unwanted resonance. The final sound depends on the rest of your setup.

Is an ECU tune required?

A tune is not required to fit the Exhaust System with Slash Cut Tips. Many owners add a tune to maximize the gains.

How is it constructed?

SOUL builds the Exhaust System with Slash Cut Tips from durable mandrel-bent stainless steel with precise, fixture-tested fitment.

Is professional installation recommended?

Yes. We recommend installing the Exhaust System with Slash Cut Tips through a qualified technician to ensure correct fitment and a proper seal.

Description

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Description

SOUL Performance Exhaust System with Slash Cut Tips for 981 Porsche Boxster Spyder / Cayman GT4

The SOUL Performance Products Race Exhaust System for the Porsche 981 GT4 and Boxster Spyder is engineered for uncompromised track performance, maximum durability, and aggressive sound output. Built around lightweight, robust construction with full 2.5″ over-axle piping and precision-fabricated T304L stainless steel tubing, this race-focused exhaust is designed to shed weight and stand up to the rigors of competitive driving.Developed in-house at SOUL’s Willow Grove, PA facility, the system includes bespoke laser-cut brackets and reinforced hangers that reduce weight and improve resilience under high-stress conditions, while rubber vibration dampeners help protect the system against flex and vibration during heavy use. Unlike street-oriented exhausts, the Race Exhaust System prioritizes performance over sound attenuation, producing a very loud, unrestrained exhaust note with track-ready character. It is recommended for aggressive track use and may not be suited for street applications, especially when paired with aftermarket headers. Direct bolt-on installation is supported with quality-checked fitment and hardware, and the system is backed by SOUL Performance’s lifetime warranty for both street and track use. Multiple tip options, including Slash Cut Signature Satin finishes, allow you to tailor the rear aesthetic of your GT4 or Spyder.

Development

SOUL Performance set out to develop lightweight, robust, and cost-effective exhaust components for the GT4 that are readily available, deliver strong performance, and are built for long-term durability. Drawing on extensive feedback and in-depth R&D discussions with experienced shops, technicians, and drivers who conducted independent testing over many years, including valuable contributions from Bryan Schute at Speed Sport Tuning and the team at LN Engineering / BRS, SOUL Performance formulated a focused development strategy for a truly track-bred exhaust system.

Construction

The over-axle pipe profiles feature a full 2.5-inch diameter and are engineered to provide ample clearance for axles and sway bar end links, even on heavily modified or lowered vehicles. To address the failures commonly seen with exhaust systems that rely on welded hangers under racing conditions, SOUL Performance developed a bespoke mounting solution that reduces weight by more than five pounds compared to factory mounts while remaining easy to repair or replace in the event of a track incident. The forward piping is secured to a custom SOUL transmission mounting brace using heavy-duty Mikalor band clamps, while additional support for the over-axle piping is provided through rubber vibration dampeners to reduce stress caused by flex and vibration throughout the system. Each system is fabricated in-house by the SOUL Performance team using mandrel-bent.065-inch wall, 2.5-inch diameter T304L stainless steel tubing. Laser-cut brackets are press-brake formed and TIG welded for maximum strength, with all welds back-purged to ensure long-term durability under the most extreme operating conditions.

Sound

SOUL Performance engineered this Race Exhaust System with a primary focus on track use and maximum performance rather than sound attenuation. As a result, the system is extremely loud, and even when equipped with resonators, some level of drone will be present. SOUL Performance does not recommend running this exhaust with aftermarket headers on the street. That said, at wide-open throttle the system delivers an exceptional, race-inspired sound. For those seeking a more refined and street-friendly exhaust experience, SOUL Performance recommends its Valved Exhaust System.

Bolt On and Go

Each SOUL Performance exhaust is test-fit in a dedicated fixture to verify proper fitment, then foam packed to help ensure it arrives in perfect condition. Detailed installation instructions are included for a straightforward install that most DIY enthusiasts can complete. Valve operation is controlled through the factory valve button, SOUL’s valve controller fobs, and is compatible with HomeLink.

Features

Track-focused race exhaust with maximum flow and extremely aggressive sound
Slash Cut Single Wall Tips in Brushed or Signature Satin
Lightweight T304L stainless steel construction with full 2.5-inch over-axle piping
Custom laser-cut brackets and reinforced mounting for racing durability
Direct bolt-on fitment with quality-checked installation
Multiple exhaust tip options, including Brushed and Signature Satin
Backed by SOUL Performance Products lifetime warranty

Applications

Porsche Boxster Spyder: 981 | 2015-2016 | 3.8L F6
Porsche Cayman GT4: 981 | 2015-2016 | 3.8L F6
Porsche Cayman GT4 Clubsport: 981 | 2016 | 3.8L F6

Notes

Exhaust system pictured with straight cut tips

Frequently Asked Questions

Does SOUL Performance make exhaust system with slash cut tips for the 981? Yes. The SOUL Performance 981 Exhaust System with Slash Cut Tips is built by SOUL Performance for the 981 Porsche Boxster Spyder / Cayman GT4.
Which models does this fit? The Exhaust System with Slash Cut Tips is engineered for the 981 Porsche Boxster Spyder / Cayman GT4. Fitment is specific to the chassis and model years listed in the Applications section above.
How does it change the sound? SOUL engineers the Exhaust System with Slash Cut Tips to sharpen tone and character while controlling unwanted resonance. The final sound depends on the rest of your setup.
Is an ECU tune required? A tune is not required to fit the Exhaust System with Slash Cut Tips. Many owners add a tune to maximize the gains.
How is it constructed? SOUL builds the Exhaust System with Slash Cut Tips from durable mandrel-bent stainless steel with precise, fixture-tested fitment.
Is professional installation recommended? Yes. We recommend installing the Exhaust System with Slash Cut Tips through a qualified technician to ensure correct fitment and a proper seal.

About SOUL Performance

SOUL Performance Products was founded by a group of automotive enthusiasts with deep industry experience and a commitment to doing right by their customers. Their mission is to deliver outstanding performance parts at fair pricing, backed by quality service and one of the best warranties in the industry. SOUL develops high-performance exhaust systems and components that are engineered for exceptional sound and proven performance, with products ready to ship quickly worldwide. Guided by core values of honesty, transparency, and passion for cars, they build strong community connections and prioritize customer satisfaction at every step. Operating out of a dedicated facility in Willow Grove, Pennsylvania, SOUL combines hands-on research, engineering, and manufacturing expertise to create parts that meet and exceed the demands of serious enthusiasts.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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SOUL Performance Exhaust System with Slash Cut Tips for 981 Porsche Boxster Spyder / Cayman GT4 [POR.GT4M.RER.SLT/POR.GT4M.RER.SLTBR]

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SOUL Performance Exhaust System with Slash Cut Tips for 981 Porsche Boxster Spyder / Cayman GT4

Development

Construction

Sound

Bolt On and Go

Features

Applications

Notes

Frequently Asked Questions

About SOUL Performance

Reviews