Search for your carAsk a questionContact
Rennenplus.com.au
0 matching cars
RSR Header Muffler Kit
An RSR-style header and muffler kit for the Porsche 964 Carrera (1989-1994), built from one-piece equal-length mandrel-bent header tubes with F1-style 3-into-1 investment-cast Where header primary tubes join into one pipe, shaped to smooth exhaust pulses and improve scavenging. in place of the factory design. Dyno testing showed gains of 24 hp and 21 lb-ft of torque, with a loud, aggressive flat-six tone. Built from 14-16 gauge T304L stainless steel with a dual-outlet muffler, it's the exhaust used on the RWB Atlanta 964 build known as Clermont. Fitting the second outlet needs a slight modification to the factory rear bumper. Installation is a straightforward DIY bolt-on, and after the first heat cycle the exhaust bolts should be retorqued to factory spec. Either way works: fit it yourself, or let Rennen Motorsport or an authorised dealer handle it.
Frequently asked
Which cars does the RSR Header Muffler Kit fit?
Fits your Porsche 964 Carrera. Fabspeed lists this piece for: If you have questions, you can call our experts at 1.215.646.4945 or use our Live Chat feature. Exact fitment for your year, trim and options is confirmed on your free consult before anything is ordered.
What does the price include?
The delivered price includes the part from Fabspeed USA, freight to Australia, import costs and GST. Enter your postcode to refine delivery; the final figure is confirmed on consult.
How long until it arrives?
Every Fabspeed part is made in-house at Fabspeed USA with about a one-week production lead time, then allow another 3-4 days for delivery to Australia via UPS. That freight is already included in the price.
How much power and torque does this add?
Dyno testing showed gains of 24 hp and 21 lb-ft of torque.
Will fitting the dual outlet need any bodywork?
Yes, fitting the second outlet requires a slight modification to the factory rear bumper.
What should I do after the first drive?
Fabspeed recommends retorquing all the exhaust bolts to factory spec once the system has been through its first heat cycle, to ensure a proper header seal.
Which option should I choose?
Choose With Heat Exchange to keep the factory-style heat that warms the cabin through the headers, or Without Heat Exchange if you don't need it, typically for a dedicated track car. Add Sport Cats to keep the system street legal and emissions compliant; skip them only for closed-course, race-only use, since removing the cats is not street legal. For tips, choose Oval Style Tips for the standard finished look, or Competition Muffler Outlets for the stripped-down race-style outlet.
Who installs it?
Rennen Motorsport in Adelaide, or an authorised dealer near you. Fitting it yourself may also be an option depending on the part, so raise it on your consult; professional installation is quoted separately.
Is it covered by warranty?
Fabspeed products carry the manufacturer's warranty, supported locally through Rennen Plus as the Australian principal. See our returns policy.
Can I just buy this outright, or do I need to talk to someone first?
Every enquiry, whether it's one part or a full build, starts with a free consult. We confirm the exact spec for your car before anything is quoted or ordered.
More for your 911 Carrera
Maxflo muffler cat-back Exhaust System
DME Chip Upgrade
Touring Line Standalone
European Pre-Muffler Pipe
Cup billet aluminum High Performance Airbox coverlid
BMC F1 Replacement Air Filter
GT3 Center Muffler Conversion Package
Primary Muffler Bypass Pipe
Secondary Muffler Bypass Pipe
RSR Muffler Bypass Pipes
High Flow Sport Cat
Sport Highflow Catalytic Converter