Muffler Reviews and Performance Exhaust Buyer's Guide

Muffler Reviews and Buyer’s Guide

What are the best replacement mufflers? Find out here.

Flowmaster Super 44 Mufflers

Offset In/Center OutCenter In/Center OutCenter In/Offset Out
2.25" IN / 2.25" OUT2.25" IN / 2.25" OUT2.25" IN / 2.25" OUT
2.50" IN / 2.50" OUT2.50" IN / 2.50" OUT2.50" IN / 2.50" OUT
3.00" IN / 3.00" OUT3.00" IN / 3.00" OUT3.00" IN / 3.00" OUT
Offset In/Offset OutOffset In/Offset Out (Same Side)Center In/Dual Out
2.25" IN / 2.25" OUT2.25" IN / 2.25" OUT2.25" IN / 2.25" OUT
2.50" IN / 2.50" OUT2.50" IN / 2.50" OUT2.50" IN / 2.25" OUT
3.00" IN / 3.00" OUT3.00" IN / 3.00" OUT2.50" IN / 2.50" OUT
Offset In/Dual Out3.00" IN / 2.25" OUT
3.00" IN / 2.50" OUT3.00" IN / 2.50" OUT

Flowmaster Super 40 Mufflers

Center In / Center OutOffset In / Center OutCenter In / Offset Out
Center In/Center OutOffset In/Center OutCenter In/Offset Out
2.25" IN / 2.25" OUT2.25" IN / 2.25" OUT2.25" IN / 2.25" OUT
2.50" IN / 2.50" OUT2.50" IN / 2.50" OUT2.50" IN / 2.50" OUT
3.00" IN / 3.00" OUT3.00" IN / 3.00" OUT3.00" IN / 3.00" OUT
Offset In / Offset OutOffset In / Offset Out Same SideCenter In / Dual Out
Offset In/Offset OutOffset In/Offset Out (Same Side)Center In/Dual Out
2.25" IN / 2.25" OUT2.50" IN / 2.50" OUT3.00" IN / 2.50" OUT
2.50" IN / 2.50" OUT3.00" IN / 3.00" OUT
3.00" IN / 3.00" OUT
Dual In / Dual OutOffset In / Dual Out
Dual In/Dual OutOffset In/Dual Out
2.50" IN / 2.50" OUT3.00" IN / 2.50" OUT

Flowmaster Super 10 Mufflers

Center In - Center OutOffset In - Offset OutCenter In - Dual Out
Center In/Center OutOffset In/Offset OutCenter In/Dual Out
2.50" IN / 2.50" OUT2.50" IN / 2.50" OUT2.50" IN / 2.25" OUT
3.00" IN / 3.00" OUT3.00" IN / 2.50" OUT

Borla Pro XS Mufflers

Center In / Center OutCenter In / Dual OutOffset In / Center Out
Center IN / Center OUTCenter IN / Dual OUTCenter IN / Offset OUT
40347: 2.00" IN / 2.00" OUT40348: 2.50" IN / 2.50" OUT40344: 2.00" IN / 2.00" OUT
40363: 2.25" IN / 2.25" OUT400486: 3.00" IN / 2.25" OUT40357: 2.25" IN / 2.25" OUT
40364: 2.50" IN / 2.50" OUT40349: 3.00" IN / 2.50" OUT40358: 2.50" IN / 2.50" OUT
40359: 3.00" IN / 3.00" OUT
400482: 3.00" IN / 3.00" OUT
Dual In / Dual OutOffset In / Offset Out
Dual IN / Dual OUTOffset IN / Offset OUT
400492: 2.25" IN / 2.25" OUT400488: 2.00" IN / 2.00" OUT
400493: 2.50" IN / 2.50" OUT400489: 2.25" IN / 2.25" OUT
400490: 2.50" IN / 2.50" OUT
400491: 3.00" IN / 3.00" OUT

Thrush Turbo Mufflers

Offset In / Center OutOffset In / Offset OutDual In / Dual Out
16" Long16" Long24" Long
2.00" IN / 2.00" OUT2.00" IN / 2.00" OUT2.5" IN / 2.5" OUT
18.5" Long18.5" Long
2.00" IN / 2.00" OUT2.00" IN / 2.00" OUT
2.00" IN / 2.00" OUT*2.25" IN / 2.25" OUT
2.25" IN / 2.25" OUT2.5" IN / 2.5" OUT
2.5" IN / 2.5" OUT
25" Long
2.25" IN / 2.25" OUT
2.5" IN / 2.5" OUT

Thrush Welded Mufflers

Center In / Offset OutOffset In / Center OutOffset In / Offset Out
2.25" IN / 2.25" OUT2.25" IN / 2.25" OUT2.25" IN / 2.25" OUT
2.5" IN / 2.5" OUT2.5" IN / 2.5" OUT2.5" IN / 2.5" OUT
3" IN / 3" OUT3" IN / 3" OUT3" IN / 3" OUT
Center In / Dual OutDual In / Dual OutOffset In / Dual Out
2.25" IN / 2.25" OUT2.25" IN / 2.25" OUT2.5" IN / 2.5" OUT
2.5" IN / 2.5" OUT
3" IN / 2.25" OUT
3" IN / 2.5" OUT

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