Garage

Porsche OE Air Filter Part Numbers and Their Performance Equivalents
Factory Porsche air filter part numbers matched to their washable aFe, BMC and K&N equivalents, from 901-108-955-11 to 971-129-620-B. Read more...
How Many Air Filters Does Your Porsche Actually Take?
Sold Each, Set of 2, or Full Kit — what each term means, and which Porsches need two air filters when the part number only supplies one. Read more...
Oiled vs Dry Air Filters: Which One Belongs in Your Porsche
aFe Pro 5R, Pro DRY S, BMC and K&N media compared for Porsche applications, including a straight answer on oiled filters and mass airflow sensors. Read more...
The Porsche Air Filter Guide: Every Chassis, Every Part Number
Every Porsche air filter we carry, organised by chassis from the 1972 911 2.7 through the 992 Turbo S, with part numbers for aFe, BMC and K&N. Read more...
Does an ECU Tune Void Your Porsche Warranty? The Honest Answer
A straight answer on flash counters, Magnuson-Moss, PDK torque limits and returning to stock — rather than a reassuring one. Read more...
Which Porsche Engines Actually Respond to an ECU Tune?
Turbocharged engines gain a lot. Naturally aspirated ones gain a little. An honest engine-by-engine guide to what a flash is actually worth on your Porsche. Read more...
PASM, PDCC and DampTronic: Buying Suspension for a Porsche With Electronic Chassis Options
PASM, PDCC and passive suspension appear on the same models in the same years. Buying the wrong part is the most common suspension return there is. Read more...
Lowering Springs or Sway Bars First? How to Spend Your First Suspension Budget
One budget, two options. Springs change ride height and pitch control; bars change balance. Here is how to decide which your car actually needs first. Read more...
B4, B6 or B8? Which Bilstein Damper Your Porsche Actually Needs
B4, B6, B8 and DampTronic all bolt into the same car — which is exactly why the wrong one is so easy to buy. Here is what actually separates them. Read more...
What You Actually Give Up: Porsche Suspension and Daily Drivability
The other half of the conversation: what lowering springs and sway bars actually cost you in ride quality, ground clearance, tire wear and alignment — and which change has the best ratio. Read more...
Porsche Track Alignment: What Camber, Toe and Caster Actually Do
What each alignment setting does, what it trades away, why track and street want different answers, and why the rear of a 911 is the one place not to copy a number off a forum. Read more...
How to Fine-Tune Adjustable Sway Bars on a Porsche
The adjustment holes are the reason to buy an adjustable bar. Here is what they change, whether to stiffen the front or the rear, and why a rear-engine Porsche needs a different starting point from everything else. Read more...
Why a 911's Rear Suspension Isn't a Mirror of the Front
Roughly 60% of a 911's mass sits behind the rear axle, and that changes the answer to most setup questions. How the layout behaves, how all-wheel drive shifts the priorities, and where mid-engine cars sit. Read more...