Most Fabspeed products are built to order. Please allow 5–7 business days for production before your order ships. This timeframe does not include shipping transit time.

This RSR Header Muffler Kit frees up the exhaust system providing your RSR with more power and sound. It comes with adjustable single or dual outlets.

POWER:

This kit replaces some of the most essential components of the Porsche 964's exhaust system. By swapping out OEM parts with this precision-engineered kit, you will reap the benefits of optimized airflow with tremendous gains in power and torque. The header and muffler are essential to the engine's ability to breath. By building parts designed to maximize performance, we've managed to squeeze an extra 24 horsepower and 21 ft/lbs of torque from the 964's engine.

SOUND:

This kit will give your RSR project a loud & aggressive sports car sound.

FEATURES:

• Fits all Porsche 964 C2, C4, RS America, Euro RS and Speedster vehicles 1989-1994
• Loud & aggressive sports car sound
• RSR-style 1 piece equal length mandrel-bent header tubes with F1 style high velocity 3-into-1 investment cast merge collectors
• Constructed from 14-16 gauge T304L stainless steel
• Dual outlet muffler system comes with all required hardware
• System can be ordered with or without heat option and with or without sport cats
• Includes Deluxe Tips but can be ordered with angle cut competition muffler outlets
• Official exhaust of Clermont, the esteemed RWB Atlanta 964 build
• Simple DIY bolt-on installation
• All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty

NOTE: 

• Optional Muffler Bypass Pipes available for maximum weight savings, aggressive sound and increased peak Horsepower - For Non-Sport Cat Configuration Only!
• Requires slight modification to the factory rear bumper for proper fitment of the second outlet
• To ensure proper header seal, after initial heat cycle, tighten all exhaust bolts to the OEM torque specs
• The drop-down options above allow you to decide exactly which package you need. A heat exchange will maintain your Carrera's ability to use heat from the headers to regulate you car's cabin heating
• If you have questions, you can call our experts at 1.215.646.4945 or use our Live Chat feature

Why We Choose HJS Catalytic Converters: 

HJS German imported catalytic converters are made from some of the highest grade materials you can find in a catalytic converter. This yields high performance gains and longevity so it wont deteriorate over time like lower grade catalytic converters. These catalytic converters flow up to 93-95% of a straight pipe in most applications. The benefit is that you get the "straight pipe sound" while still being able to provide enough emissions scrubbing to prevent a check engine light.    If you'd like to learn more, watch our video about HJS catalytic converters.

Sport Catalytic Converter (STREET) - This product removes the OEM catalytic converters from the vehicle, and as such, is strictly intended for closed track events and off-road use only. This product contains a High-Flow Sport Catalytic Converter solely intended for track and race cars as it is NOT California Air Resources Board Certified and not EPA certified. You are hereby informed and warned to check your local, state, and federals laws before buying and installing these or any aftermarket parts to be sure whether usage is in violation. All installation-risk and use-risk is borne by the end-user and installer of these parts.

Cat Bypass (RACE) - This product removes the OEM catalytic converters from the vehicle, and as such, is strictly intended for closed track events and off-road use only. This product is or contains a Racing Cat Bypass Pipe, which will give you check engine lights on OBD2 cars. Racing Cat Bypass Pipes are solely intended for track and race cars as they are NOT California Air Resources Board Certified and not EPA certified. You are hereby informed and warned to check your local, state, and federals laws before buying and installing these or any aftermarket parts to be sure whether usage is in violation. All installation-risk and use-risk is borne by the end-user and installer of these parts.

Part number: FS.POR.964.RSRWXXX

All sales of Fabspeed products are final. These items are not eligible for return or exchange. Please verify compatibility and vehicle fitment before placing your order.