Technical guides
Fitment, materials, dyno data and tuning answers from the people who build the parts. Written by AZ Motorsport in Québec.
Looking for exhaust fabrication in Brossard? Use this checklist to compare repair, custom welding, bolt-on AZM exhaust systems, downpipes, headers, sound, drone, winter use,...
Compare Ferrari 488 and F8 race exhaust systems vs downpipes, including sound goals, tune/CEL planning, fitment checks, and verified AZ Motorsport product links.
Compare catted vs catless downpipes for sound, smell, CEL risk, tune planning, daily use and Québec buyer checks before choosing the right AZM downpipe.
Compare the best exhaust upgrades ranked for real performance-car use: valved catback, downpipes, full exhaust systems, headers, axle-backs and muffler deletes.
What does a downpipe do, do you need a tune, and should you choose catted or catless? Use this Canada-focused AZ Motorsport guide before...
Choosing BMW S58 downpipes or a race exhaust? Compare M2 G87, M3/M4 G80/G82 and X3M/X4M F97/F98 fitment, CEL risk, tuning and Canada/Québec caveats.
Shopping Mercedes AMG GT downpipes? Use this fitment-first guide to separate C190/R190 GT S, GT C and GT R, GT Black Series, and GT63S...
Shopping for a Toyota Supra A90 downpipe? Confirm 2020+ B58 fitment, CEL risk, Stage 2 tuning and Canada/Québec race-use caveats.
Shopping Mercedes G63 downpipes? Compare W463 vs W463A fitment, M157/M177 options, CEL risk, tuning and Canada/Québec race-use caveats.
Compare BMW X5M exhaust and downpipes for F95/F96, including S63 vs S68 LCI fitment, valves, CEL risk, tuning and Canada race-use caveats.
Choosing Porsche 992 Turbo S downpipes, a race exhaust, headers or all three? Compare fitment, sound, CEL risk, tuning and Canada/Québec caveats.
Choosing Corvette C8 Z06 downpipes or a race exhaust? Compare catted vs catless front pipes, sound, CEL risk, tuning, fitment and race-use caveats.
