I had posted some of this in the E30M3 forum but this is probably more appropriate. Readers digest version.. I rescued a 1988 E30M3 track rat and returned it to the street.
photos here:
rescue thread here:
Anyone that knows me knows that I am a stickler for details and doing things right, (my right that is). After getting the engine rebuilt and sorted I decided to redo the exhaust. The one in the car was cobbled together and a real mess. I enlisted the help of SPD in Rancho Cordova whom we've done business with before. They ARE the premier exhaust manufacturer, they supply prebuilt sections and flanges to the aftermarket automotive industry.
The exhaust is all hand TIG welded SS with vbands in 3 sections. The muffler is a Rogue El Diablo and the cats are Walker OEM replacement units.
I'll be building different center sections with no cats, some with resonators etc for the track.
The exhaust is absolutely amazing.. no drone and it's quiet until you open her up and then all hell breaks loose. SPD did not want ANY welds in the system but theirs so they used special cones for the cats and replaced all the tubing on the mufflers, it's a shame it has to be hidden under the car.
New downpipes with flanges were built, all the bolts can be readily removed:
Custom X with a wideband bung:
Notice where all the tubing is routed and how tight erverything is:
Custom hanger uses all the OEM mount points:
Rogue Engineering El Diablo muffler compliments all the hard work
photos here:
rescue thread here:
Anyone that knows me knows that I am a stickler for details and doing things right, (my right that is). After getting the engine rebuilt and sorted I decided to redo the exhaust. The one in the car was cobbled together and a real mess. I enlisted the help of SPD in Rancho Cordova whom we've done business with before. They ARE the premier exhaust manufacturer, they supply prebuilt sections and flanges to the aftermarket automotive industry.
The exhaust is all hand TIG welded SS with vbands in 3 sections. The muffler is a Rogue El Diablo and the cats are Walker OEM replacement units.
I'll be building different center sections with no cats, some with resonators etc for the track.
The exhaust is absolutely amazing.. no drone and it's quiet until you open her up and then all hell breaks loose. SPD did not want ANY welds in the system but theirs so they used special cones for the cats and replaced all the tubing on the mufflers, it's a shame it has to be hidden under the car.
New downpipes with flanges were built, all the bolts can be readily removed:
Custom X with a wideband bung:
Notice where all the tubing is routed and how tight erverything is:
Custom hanger uses all the OEM mount points:
Rogue Engineering El Diablo muffler compliments all the hard work
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