When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I have a 2007 997 Carrera Cab with a Tubi Exhaust and Fab speed carbon air box. It sounds Great but I’d like it to be a little louder and maybe gain a little power at the same time. I still have factory headers and cats but was thinking of adding X51 headers because I like the fact they are still factory and maybe adding 200 cell cats. What do you guys think? Would this accomplish what I’m wanting to do? What brand would you recommend concerning the 200 cell cats? Thank you!
The X51 headers are a mediocre design if replacing the headers you want equal length long tube like Fabspeed and some other companies make, along with a proper 3 into 1 merging collector and not a sequential one. Proper headers and hi flow 200 cell cats will give you more sound and better flow at high rpm, which means a little power bump. The sound alone will make you think you've gained a lot of power even though you're probably only looking at 10 HP or so.
Porsche's Top 5 Most Questionable Naming Decisions
Slideshow: For a company obsessed with engineering precision, Porsche has occasionally named its cars in ways that left even loyal enthusiasts scratching their heads.
Pogea Racing's 964 Porsche 911 Reimagination Stands Out in a Crowded Field
Slideshow: Pogea Racing's latest Porsche 964 project blends carbon-fiber construction, modern chassis upgrades, and up to 500 horsepower while keeping the air-cooled 911 experience firmly analog.
Talos Takes Your 991 Porsche 911 GT3 to the Next Level for a Cool $1.13 Million
Slideshow: Talos Vehicles has transformed the Porsche 911 GT3 RS into a carbon-bodied, race-inspired machine that costs well over $1 million before the donor car is even included.
9 Vehicles Porsche Helped Engineer that Aren't Porsches
Slideshow: Long before engineering consulting became trendy, Porsche was quietly helping other automakers build everything from supercars to economy hatchbacks.
9 Features and Characteristics That Only Porsche People Understand
Slideshow: Some brands build cars. Porsche builds traditions, obsessions, and a few habits that stopped making sense decades ago but somehow became part of the charm.
X51 Mod On 2007 997 Cab
