We are proud to bring you the very best USA made exhaust systems from A1, built right here in California. Each system is hand made for a premium fit and...
We are proud to bring you the very best USA made exhaust systems from A1, built right here in California. Each system is hand made for a premium fit and...
These new A1 Class 11 exhaust systems are the answer for anyone looking for maximum ground clearance, HP, and performance in a very compact package. Not only do these work...
If you have a Type 3 Notchback, Fastback or Squareback and you're looking for a performance exhaust for your car, this is the one for you. These Sidewinder exhaust systems...
The one you Baywindow bus owners have been waiting for! We worked directly with A1 to develop this one of a kind high clearance exhaust solution for 68-71 Bay owners....
Got a late Bay and need a performance exhaust that will outlast your bus? This is the right kit for you. Fully Stainless steel with V band connect muffler for...
If you have one of our A1 exhaust systems with the V-band connector or 3 bolt Flange between the header and the muffler this slip in baffle setup will drop...
Looking to add some real vintage performance to your 36HP or 40HP or motor? This exhaust system from A1 will give you all the power you need and some awesome...
Constructed of Stainless Steel with 1 5/8” tubing and featuring a true 4 into 1 merged collector for maximum exhaust flow. This system is TIG welded for long lasting strength...
This Stainless Steel Exhaust is a perfect upgrade from your stock mild steel pea-shooter. Precision designed for a perfect fit and features 3/8” thick mounting flanges, standard on all of...
Stainless Steel Exhaust System – Precision designed equal length runner exhaust system with 2 Chrome Baffled Tips delivering a more aggressive sound. Exhaust tips are engineered to exit the stock...
Stainless steel exhaust features great looks and maximum HP with slip joints for super easy install. The 1 1/2" tubing eliminates heater boxes and will work on 1200-1600 cc motors...
Looking for a high quality European made replacement muffler? These are the best ones you can get. With attention to OEM details, pre heater boxes, muffler seam, exhaust tip supports,...
These heater boxes offer the ability to still use your heater system and not stifle your performance VW engines HP output. Made in Europe by Dansk. Large ID 1 1/2"...
This seal is used between the sheet metal and the fresh air hoses. Fits all Type 1, Ghia, S/B, and Thing with fresh air heaters 1963-1979. Sold in pairs.