Exhaust

This CARB-compliant catalytic converter kit fits the Rocky Mountain Westy stainless steel exhaust that we manufacture for Subaru conversions.  Perfect for replacement or upgrading your van or bus to CARB-compliant state regulations. Fits both...

Retrofit kit for our Subaru conversion exhaust system utilizing our new Stealth stainless steel muffler. If you have an older Rocky Mountain Westy Subaru conversion with a straight-through Magnaflow muffler, this Stealth retrofit kit is what you need to...

MagnaFlow Performance mufflers are manufactured from 100% stainless steel and are lap-joint welded for solid construction and rugged reliability. They feature a free-flowing, straight-through perforated stainless steel core, stainless mesh wrap and...

The two words that best describe RMW's Stealth muffler for Subaru conversion is “Stealthy Quiet". As quiet as many stock Subaru mufflers, the Stealth muffler series also offers incredible flow for a chambered muffler. Many chambered mufflers have...

This exhaust heat shield kit fits the Rocky Mountain Westy Subaru conversion when using a 1995-1999 Dual OverHead Cam Subaru engine as a donor.  This heat shield bolts to the Subaru timing cover and serves to mount the muffler/catalytic...

This is the replacement Catalytic Converter for the RMW stainless steel performance exhaust systems and our Subaru 4cyl stainless steel exhaust system.INLET: 2in. OUTLET: 2in. CONFIGURATION: Center/Center BODY SHAPE: Round BODY LENGTH: 9in. WIDTH: 5...