43MM SUPER SPORT EL SS143 EXHAUST SYSTEMS 50/35, Upright Engine, Stock Pea Shooter Locations) 1955-74 Beetle/SB, All Ghia, 155-203-05043 looks like stock from the outside, but it's far from stock!
This is a 1 3/4" (43mm) exhaust system.
This system features
1. 143mm Diameter Quiet Super Flow muffler.
2. Fully TIG welded, all flanges, no gas leaking.
3. #304 stainless steel muffler with #304 polished tail pips
4. #304 Stainless steel Header and Flanges
5. Fit stroker Engine with stock Rod, or 2mm(or less) under cylinder.
6. 8mm stainless steel Type 4 muffler Flanges can be match ported
7. Easy to adjust valves
8. Build in M18 nuts, for tuning when use O2 sensor
9. Fit behind rear apron from 1950 ~1977 Type 1 Beetle, Karmann Ghia
10. Clear oil sump, like Gene Berg oil sump1.5q & 3.5q, Bugpack sump, CB, Empi.
11. Tail Pipes are 50mm O.D. with 35mm I.D.
Where do we start???? This muffler was developed with a lot of dyno time, and CAD (Computer Aided Design). This is a 1 13/4" (43mm) exhaust system, heater boxes are NOT available for this beast! ACN ONLY Recommends this with dual carburetors, since preheat flanges are NOT available for this system. It's built from 100% #304 stainless steel, the whole thing! Muffler, Tail Pipes (Pea Shooters), Header Pipes, even the M18x1.5mm O2 Sensor Bung is 304 Stainless! This allows you an easy headache free connection for your Wide-band, or for Closed-Loop operation of your Fuel Injection System!