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Fits MANUAL TRANSMISSION version ONLY, does not clear bigger automatic transmission
Yes, this is a CARB legal 'cat-back' item because it bolts to rear of stock converter. This is the path to 200 Ft/lbs of Torque per our dyno graphs in our forum Fiat thread!
Like all RoadsterSport exhausts this system is All POLISHED 304 Grade Stainless Steel construction and LIFETIME warranty. It also features full 2.5" mandrel bent exhaust from the cat.
Hear the fun!
DYNO GRAPHS! Result is new HIGH For Fiat 124, 160 HP at the wheels, 200 FT/LBS Torque pushing you back in the seat! Felt good at the first Fiat 124 SCCA appearance so figured it was time to dyno the setup, and now I see why it felt good, that's some healthy torque! This is still stock tune, which means this is CARB compliant power legal in all States!
Lowest Line is Best STOCK Pull. Middle Line is Best Pull with just highflow Muffler Upgrade. Highest Line is Best Pull Full Downpipe, Midpipe, Muffler...Peak HP up 'only' about 15hp but notice total area under the torque curve is massively better, up over 30 Ft/lbs of torque through much of the middle rpm range, peak gains over 50 Ft/lbs at the low end thanks to faster spool for the turbo.
One more Video Sample of Pure Fiat 124 QUAD RoadsterSport Exhaust System FUN! INSTALLATION, see bottom of page for each of these items in their individual listings.