Anti-Reversion Muffler for 602, 603, or 604 by Hendren Racing Engines (priced per each)

Anti-reversion mufflers specifically designed for use with the GM602, GM603 or GM604 engine to increase low and mid-range torque.
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Anti-Reversion Muffler for 602, 603, or 604 by Hendren Racing Engines (priced per each)

ProFab Stainless Steel Muffler

ProFabrication, Inc - Are you looking to get the most torque out of your 602 crate engine? Check our our newest Pro-Chamber 300 anti-reversion mufflers. These mufflers are designed by Hendren Racing

Muffler fits International 606 660 656 460 504 560 C263 D188 D236 D282 C221

GM 604 Crate Engine

THRASHIN Anti-Reversion Exhaust System - Dyna – Blood Eagle Speed Shop

3-3 Anti Reversion Muffler Steel

Crateinsider Product Reviews

Anti-Reversion Muffler for 602, 603, or 604 by Hendren Racing Engines (priced per each)

THRASHIN Anti-Reversion Exhaust System - Dyna – Blood Eagle Speed Shop

Crateinsider.com Rutherfordton NC

NEW%20from%20ProFab--%20Designed%20by%20Hendren%20Racing%20Engines%2C%20these%20new%20stainless%20steel%20anti%20reversion%20mufflers%20help%20to%20in

ProFab Stainless Steel Muffler - PRO-CHAMBER-350 (priced per each)

GM 604 Crate Engine

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