Technical guides
Fitment, materials, dyno data and tuning answers from the people who build the parts. Written by AZ Motorsport in Québec.
Compare McLaren 570S, 600LT and 720S downpipes vs race exhaust systems by fitment family, sound change, CEL risk, tuning needs and upgrade order.
Choosing a Ferrari FF or GTC4Lusso exhaust? Compare valved race exhausts, downpipes, V12 sound, fitment checks, CEL/tune risk, and Canada/Québec caveats before ordering.
Shopping for a modified exhaust near Brossard? Compare valved exhausts, cat-back/race systems, downpipes and headers before you order, with fitment, CEL, tuning, winter and...
Planning Stage 2 with a downpipe? Verify fitment, CEL risk, tune support, install order, validation, and Québec/Canada road-use caveats.
Compare Porsche 991 and 992 GT3/GT3 RS exhaust paths by fitment, valves, headers, sound character, CEL risk and Canada/Québec race-use cautions before ordering.
Choosing an M340i downpipe or valved exhaust? Compare sound, fitment, tune and CEL risk, Québec/Canada caveats, and the best AZM upgrade order.
Shopping Audi RS7 catless downpipes or C8 RS6/RS7 downpipes? Check AZM fitment, CEL risk, tuning, sound and Canada/Québec race-use notes.
Shopping for a Lamborghini Aventador SVJ exhaust? Compare AZM F1 exhaust fitment, valves, sound, CEL cautions and Canada race-use notes.
Choosing Ferrari F12 downpipes, a race exhaust, or both? Compare sound, CEL risk, tuning, fitment and Canada/Québec race-use caveats before ordering.
Shopping Audi R8 V10 headers? See AZM R8 race header fitment, sound expectations, CEL/tuning cautions and Canada/Québec race-use notes before ordering.
Choosing between a Lamborghini Urus exhaust and downpipes? Compare sound, CEL risk, tuning, road-use caveats, install order and AZM Urus product options before you...
Compare Mercedes AMG downpipes for E63, S63 and C63 models with fitment links, CEL and tuning caveats, install checks, and Québec/Canada buyer notes.
