Valved and non-valved cars differ in the rear section and in the control routing. Here is what to tell us so your aftermarket system keeps the valve function working.
Stop and contact us with photos before cutting, grinding or welding. Here is the evidence we need, and why the first ten minutes decide which options you keep.
We can supply product photos, dimensional drawings and installation reference photos for most items. Here is how to use them so you measure before you commit.
Four details and one photo are usually enough. Here is what we check, and why we would rather confirm before you order than fix a fitment problem afterward.
Emissions rules vary by country and state and apply to a whole system rather than one part. Here is our honest position, and what to check before you modify.
A midpipe is a hardware replacement and does not change calibration. Here is when no tune is required, and the specific setups that do need engine management attention.
