3" Stainless Steel Catback Exhaust System with Dual Tip Muffler For 1997-2004 Porsche Boxster S 986 M96 2.5L 2.7L 3.2L Flat-6

SKU: XKV41054
Availability : In Stock Pre order Out of stock
Fitment & Specs
Fits selected 1997–2004 Porsche Boxster / Boxster S 986 applications equipped with M96 2.5L, 2.7L or 3.2L flat-6 engines. Verify model year, engine, rear exhaust layout, and OEM connection compatibility before purchase.
1.9" Inlet
T304 Stainless Steel · Cat-Back Exhaust System
Before You Buy: Off-road/racing use only · Professional install recommended
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Description

This stainless steel catback exhaust system with dual tip muffler is designed for listed 1997–2004 Porsche Boxster 986 applications with M96 flat-6 engines. It is intended as a rear exhaust / catback system for compatible Boxster exhaust layouts.

Built from T304 stainless steel with mandrel-bent tubing, TIG-welded construction, CNC-machined flanges, polished finish, and dual rolled tips as listed, this system is designed to replace the rear exhaust section where compatible. Final fitment, sound, exhaust tone, cabin noise, drivability, and performance results may vary depending on vehicle condition, engine, existing exhaust setup, installation quality, and supporting components.

Product Overview

This product is a catback exhaust system with dual tip muffler for compatible Porsche Boxster 986 applications. It is not a header set, downpipe, catalytic converter delete pipe, full turbo-back exhaust, or universal exhaust kit. Please verify your exact model year, base / S trim, engine, rear exhaust layout, hanger position, flange connection, and bumper / tip clearance before purchase.

Key Details

  • Fitment: Listed 1997–2004 Porsche Boxster 986 applications
  • Engine: M96 2.5L / 2.7L / 3.2L flat-6 engines as listed
  • Product Type: Catback Exhaust System with Dual Tip Muffler
  • Material: T304 stainless steel as listed
  • Pipe Design: Mandrel-bent tubing as listed
  • Inlet: 1.9" as listed
  • Exhaust Tip: Dual 3" rolled tips as listed
  • O2 Sensor Ports: 0 as listed
  • Finish: Mirror polished finish as listed
  • Construction: Fully TIG-welded with CNC-machined flanges as listed
  • Included Components: Gaskets included as listed
  • Installation: Professional installation recommended

Fitment

Please use the table below to quickly confirm the main vehicle applications listed for this catback exhaust system. Before ordering, verify your exact model year, trim, engine, rear exhaust layout, hanger position, flange connection, and exhaust tip clearance.

Vehicle Name Year Engine Notes
Porsche Boxster 986 1997–2004 M96 2.5L / 2.7L / 3.2L Flat-6 Verify base / S trim, rear exhaust layout, hanger position, and connection points
Fitment Note: This table is based on the fitment information currently listed for this product. The title references Boxster S, while the page-listed engine range includes 2.5L, 2.7L, and 3.2L M96 applications. Please verify your exact model year, trim, engine, exhaust layout, hanger position, and rear bumper / tip clearance before purchase.

Package Includes

  • Catback exhaust system component as shown
  • Dual tip muffler section as shown
  • Gaskets included as listed
  • Hardware, clamps, or additional accessories included only if shown or listed

Please review the product photos and listing details before installation. Confirm all included pipes, muffler sections, gaskets, flanges, clamps, hangers, and connection requirements against the received package before beginning installation.

Installation Notes

  • Professional installation is recommended.
  • Test fit the exhaust system before final tightening.
  • Verify flange alignment, gasket seating, hanger position, rear bumper clearance, and exhaust tip alignment before installation.
  • Check clearance around the rear bumper, heat shields, suspension components, underbody panels, and surrounding exhaust parts.
  • Old, rusted, or seized factory exhaust hardware may increase installation difficulty.
  • Modified exhaust systems, previous repairs, or non-factory rear exhaust layouts may require adjustment or additional hardware.
  • Inspect all exhaust connections for leaks after installation and recheck clamps / fasteners after initial heat cycles where appropriate.

Before You Buy

  • This product is intended for listed 1997–2004 Porsche Boxster 986 applications only.
  • This is a catback exhaust system with dual tip muffler, not a header set, downpipe, catalytic converter delete pipe, full turbo-back exhaust, or universal exhaust kit.
  • Please verify your exact model year, base / S trim, engine, rear exhaust layout, hanger position, flange connection, and exhaust tip clearance before purchase.
  • Sound level, exhaust tone, cabin noise, fitment, and driving feel may vary depending on vehicle condition and complete exhaust setup.
  • This product is positioned downstream of the catalytic converter area where the listed vehicle setup is compatible; however, buyers are responsible for verifying local regulations and vehicle configuration before installation.
  • Performance gains, sound changes, airflow changes, fitment, and drivability results are not guaranteed and may vary by setup.
Shipping & Return

SHIPPING & DELIVERY
Fast Processing & Reliable Transit

  • Processing: Orders are processed and shipped from the nearest available warehouse within 1 business day after payment.
  • Delivery: Estimated delivery time is approximately 3–4 business days after shipment.
  • Shipping - Free shipping on all orders within the contiguous 48 U.S. states.

RETURNS & EXCHANGES
30-Day Hassle-Free Policy

  • Return Window: We offer a 30-day return policy from the date of delivery.
  • Item Condition: Returned items should be unused, uninstalled, and in their original packaging when possible.
  • Return Process: To initiate a return or exchange, please contact our customer service team first to receive authorization and instructions.

WARRANTY
2-Year Limited Replacement Warranty

  • Duration: All products are backed by a 2-year limited warranty.
  • Coverage: This warranty covers manufacturing defects and product failures under normal use, and provides a replacement for qualified cases (repairs are not performed).

CUSTOMER SUPPORT
We’re Here to Help – Contact Us First

  • Priority Contact: For any order-related issues—including returns, warranty claims, or general inquiries—please contact us first before taking further action. We are committed to resolving your concern promptly.
  • Feedback Notice: If you are unsatisfied, we kindly ask that you allow us an opportunity to address the issue before leaving neutral or negative feedback.
  • Email Support: You can reach us at support@XKVracing.com.

Understanding a Cat-Back Exhaust System

A cat-back exhaust system replaces the exhaust components from the catalytic converter to the rear of the vehicle. This section of the exhaust is downstream of emissions-control devices and does not alter their function.

Because of its position, a cat-back system primarily affects how exhaust gases are routed after they exit the catalytic converter, as well as overall sound characteristics.

Exhaust Sound Characteristics

Cat-back exhaust systems are designed with sound control in mind. Muffler design, piping layout, and vehicle platform all influence how the exhaust sounds during different driving conditions.

Sound characteristics can vary by application, allowing drivers to choose setups that align with their preferences while maintaining reasonable cabin comfort.

What Drivers Commonly Notice

Changes in exhaust tone compared to the factory system

Smoother exhaust flow through the rear section of the system

Reduced restriction in the post-catalyst exhaust path

A different overall driving feel, without altering emissions components

When a Cat-Back System Is Typically Considered

Want to change exhaust sound characteristics

Are replacing or updating rear exhaust components

Prefer a bolt-on exhaust solution

Wish to avoid modifications to emissions-control systems

FAST SHIPPING

Ships within 1 business day after payment
3–4 business day delivery

Secure and reliable Checkout

Secure checkout with major payment options

LOCAL WAREHOUSE

Orders ship from U.S. warehouses when available

Easy Returns and Exchanges

30-day returns for eligible unused items

Parts Warranty

Warranty support for qualified manufacturing defects

Important Notice

Catback exhaust systems are designed to replace the rear exhaust section where compatible. They are not represented as street legal, emissions-compliant, or CARB-compliant unless explicitly stated. Buyers are responsible for verifying local regulations and vehicle configuration before purchase and installation.

Professional installation is recommended. Please verify vehicle fitment, rear exhaust layout, hanger position, flange connection, bumper clearance, and included components before installation.

Sound, cabin noise, exhaust tone, fitment, airflow, fuel economy, and performance results may vary depending on the vehicle, installation, and complete exhaust setup. No specific performance gains or sound results are guaranteed.

Catback Exhaust FAQs

What is a catback exhaust system? +

A catback exhaust system replaces the exhaust section located after the catalytic converter area on compatible vehicles. It typically includes rear exhaust piping, a muffler section, exhaust tips, or related connection components depending on the product design.

Does a catback exhaust remove emissions equipment? +

Catback systems are generally positioned downstream of the catalytic converter area where compatible, but buyers should always verify the vehicle layout, local regulations, and product design before installation. This product is not represented as emissions-compliant unless explicitly stated.

Will a catback exhaust make the car louder? +

A catback exhaust can change exhaust tone and may increase sound depending on muffler design, pipe diameter, engine, vehicle platform, and the rest of the exhaust system. Final sound level and cabin noise vary by setup.

Will a catback exhaust increase horsepower? +

Horsepower, torque, throttle response, fuel economy, and driving feel changes are not guaranteed. Results vary by vehicle condition, engine, exhaust layout, muffler design, installation quality, and supporting modifications.

Do I need tuning after installing a catback exhaust? +

Tuning is not typically required for many catback-only installations, but requirements can vary by vehicle, exhaust setup, and supporting modifications. Always verify your vehicle configuration and consult a qualified installer if unsure.

Are catback exhaust systems street legal? +

Street legality depends on vehicle application, sound limits, emissions rules, and local regulations. Catback products are not represented as street legal, emissions-compliant, or CARB-compliant unless explicitly stated. Buyers should verify applicable regulations before purchase and installation.

Are catback exhaust systems hard to install? +

Installation difficulty varies by vehicle. Rusted hardware, tight underbody clearance, hanger alignment, flange condition, bumper clearance, and previous exhaust modifications can increase installation difficulty. Professional installation is recommended.

What should I verify before buying a catback exhaust? +

Verify your year, make, model, engine, trim, rear exhaust layout, hanger position, flange or clamp connection, tip clearance, included hardware, and local sound or emissions regulations before purchase.